* Rep_Interaction Survival.sps.

* Written by PSKL on 08/04/03.

* Produce tables of order statistics of survival curves for selective interactions between descriptive variables.

Get file = 'D:\Longitudinal Data\Rep_Longitudinal Analysis Master 1991 to 2001.sav'.

* Restrict to remove cases with just root filling or tunnel resto.

select if (not any(maintrt,1411,1501)).

* Consolidate the age groupings.

Recode patagegr
 (1 thru 2 =1)
 (3=2)
 (4=3)
 (5=4)
 (6=5)
 (7 thru 8 =6)
into patageg2.

Variable Labels patageg2 'Patient age (years)'.

Value labels patageg2
 1 '18 to 29'
 2 '30 to 39'
 3 '40 to 49'
 4 '50 to 59'
 5 '60 to 69'
 6 '70 or older'.

* Group Teeth.

Recode tooth
 (1 thru 3 =1)
 (4 thru 5 =2)
 (6 thru 8 =3)
 into toothtyp.

Variable labels toothtyp 'Tooth type'.

Value labels toothtyp
 1 'Incisor and canine'
 2 'Premolar'
 3 'Molar'.


* Save a restricted set of variables.

save outfile='D:\temp1.sav'
 /keep patidn toothtyp claimidn maintrt yearplac dentage
 patageg2 weight reint time.

* Prepare for split file analysis.

Get file='D:\temp1.sav'.

sort cases by toothtyp.

weight by weight.

split file by toothtyp.

KM
  time  by yearplac /STATUS=reint(1)
    /strata = maintrt
    /plot=survival
    /PRINT MEAN
    /PERCENTILES = (25,35,40,45,50,55,60,65,70,75,80,85,90,95).

Kaplan-Meier

Notes
Output Created 11-JUN-2003 16:18:18
Comments
Input Data D:\temp1.sav
Filter <none>
Weight weighting (for time-dependent censor adjustment)
Split File Tooth type
N of Rows in Working Data File 793902
Syntax KM
time by yearplac /STATUS=reint(1)
/strata = maintrt
/plot=survival
/PRINT MEAN
/PERCENTILES = (25,35,40,45,50,55,60,65,70,75,80,85,90,95).
Resources Elapsed Time 0:01:06.56

TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2265.32                2.76     (  2259.90,   2270.73 )
 (Limited to   4016.0 )
 Median:    2144.00                8.66     (  2127.03,   2160.97 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3113.00      2577.00      2144.00      1609.00      1333.00      1103.00       930.00
 Standard Error        .            .            .           8.83         8.66         7.03         4.42         3.36         2.31

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              791.00       628.00       456.00       244.00       134.00
 Standard Error       2.33         2.27         2.27         1.61          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2049.12                2.50     (  2044.23,   2054.02 )
 (Limited to   3651.0 )
 Median:    1775.00                5.81     (  1763.62,   1786.38 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3582.00      3149.00      2162.00      1775.00      1478.00      1227.00      1008.00       822.00
 Standard Error        .            .          13.21        12.08         5.81         4.59         3.83         3.25         2.40

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              685.00       499.00       385.00       242.00       130.00
 Standard Error       2.25         1.94         1.47         1.23          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1925.11                2.26     (  1920.67,   1929.55 )
 (Limited to   3281.0 )
 Median:    1855.00                4.63     (  1845.92,   1864.08 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2570.00      2187.00      1855.00      1689.00      1498.00      1147.00       886.00
 Standard Error        .            .            .           6.94         4.63         3.34         4.84         5.14         3.76

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              693.00       566.00       432.00       266.00       189.00
 Standard Error       2.51         1.84         1.85         1.28          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1831.02                2.18     (  1826.75,   1835.29 )
 (Limited to   2917.0 )
 Median:    1974.00                9.79     (  1954.80,   1993.20 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2699.00      1974.00      1721.00      1414.00      1075.00       847.00
 Standard Error        .            .            .            .           9.79         6.02         6.23         5.10         3.17

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              697.00       531.00       447.00       286.00       181.00
 Standard Error       2.71         1.83         1.58         1.49          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1693.38                1.87     (  1689.71,   1697.05 )
 (Limited to   2554.0 )
 Median:    2184.00                5.83     (  2172.57,   2195.43 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2443.00      2184.00      1821.00      1524.00      1205.00       930.00
 Standard Error        .            .            .            .           5.83         6.59         5.75         5.26         4.28

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              710.00       525.00       379.00       219.00       127.00
 Standard Error       3.47         2.57         2.07         1.40          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1408.71                1.78     (  1405.21,   1412.21 )
 (Limited to   2189.0 )
 Median:    1673.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        1673.00      1352.00      1145.00       836.00       718.00
 Standard Error        .            .            .            .            .           5.57         5.25         4.12         2.48

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              594.00       405.00       294.00       196.00        85.00
 Standard Error       2.79         2.41         1.53         1.28          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1225.49                1.52     (  1222.50,   1228.47 )
 (Limited to   1813.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1504.00      1271.00       815.00       684.00
 Standard Error        .            .            .            .            .            .           7.12         5.81         3.40

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              469.00       375.00       224.00       130.00        67.00
 Standard Error       2.80         2.15         1.84         1.00          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1106.17                1.09     (  1104.03,   1108.31 )
 (Limited to   1447.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1174.00       862.00
 Standard Error        .            .            .            .            .            .            .            .           4.65

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              696.00       520.00       406.00       214.00        85.00
 Standard Error       3.06         2.70         2.36         2.04          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       832.31                 .84     (   830.67,    833.95 )
 (Limited to   1090.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1015.00       996.00       856.00       628.00
 Standard Error        .            .            .            .            .            .           2.94         3.48         3.06

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              567.00       399.00       346.00       246.00       126.00
 Standard Error       2.19         1.87         1.33         1.56          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       598.46                 .58     (   597.33,    599.59 )
 (Limited to   721.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              606.00       425.00       273.00       174.00        71.00
 Standard Error        .           3.52         2.63         1.47          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       337.00                 .23     (   336.54,    337.46 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         225.00       154.00
 Standard Error        .            .            .            .            .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2475.62                5.97     (  2463.92,   2487.32 )
 (Limited to   4015.0 )
 Median:    2612.00               19.74     (  2573.30,   2650.70 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3349.00      2612.00      2221.00      1964.00      1463.00      1140.00
 Standard Error        .            .            .            .          19.74        17.41        14.11        14.68        10.25

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              835.00       663.00       429.00       336.00       176.00
 Standard Error       8.01         5.34         4.55         2.86          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2156.59                6.40     (  2144.04,   2169.13 )
 (Limited to   3639.0 )
 Median:    2030.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2030.00      1830.00      1103.00       969.00       842.00
 Standard Error        .            .            .            .            .          16.10        16.21         5.64         4.77

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              761.00       633.00       414.00       296.00       182.00
 Standard Error       3.31         5.49         4.42         2.70          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2079.14                5.63     (  2068.11,   2090.17 )
 (Limited to   3282.0 )
 Median:    2547.00               18.98     (  2509.79,   2584.21 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2805.00      2547.00      2240.00      1735.00      1444.00      1037.00
 Standard Error        .            .            .            .          18.98        17.61        19.51        14.27        13.47

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              777.00       491.00       355.00       177.00       118.00
 Standard Error      10.33         7.27         4.19         2.63          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1883.33                4.66     (  1874.20,   1892.47 )
 (Limited to   2897.0 )
 Median:    2191.00               13.29     (  2164.95,   2217.05 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2764.00      2764.00      2493.00      2191.00      1979.00      1708.00      1303.00      1107.00
 Standard Error        .            .           9.86         9.90        13.29        11.84        14.09        11.20         9.00

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              759.00       727.00       596.00       295.00       212.00
 Standard Error       6.48         6.52         6.24         4.15          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1764.20                3.96     (  1756.43,   1771.97 )
 (Limited to   2544.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2311.00      2002.00      1328.00      1141.00
 Standard Error        .            .            .            .            .            .          18.10        19.78        13.06

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              770.00       549.00       312.00       246.00        91.00
 Standard Error      10.05         6.27         4.01         3.05          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1550.19                3.25     (  1543.83,   1556.56 )
 (Limited to   2184.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1698.00      1582.00      1365.00      1005.00
 Standard Error        .            .            .            .            .            .           6.92        10.39        12.52

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              772.00       620.00       450.00       239.00        91.00
 Standard Error       6.24         4.56         5.31         4.30          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1516.66                3.03     (  1510.71,   1522.61 )
 (Limited to   1820.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1147.00      1046.00       730.00       706.00       259.00
 Standard Error        .           7.73         7.20         9.01          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       992.86                2.76     (   987.46,    998.26 )
 (Limited to   1434.0 )
 Median:    1254.00                5.89     (  1242.45,   1265.55 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        1254.00      1254.00      1057.00      1034.00       857.00       610.00
 Standard Error        .            .            .            .           5.89         4.73         9.33        12.43        10.76

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              414.00       315.00       310.00       238.00       133.00
 Standard Error       5.68         1.94         2.40         2.37          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       892.42                1.43     (   889.63,    895.21 )
 Median:    1064.00                 .00     (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             1064.00      1064.00      1064.00      1064.00      1064.00      1064.00       927.00       927.00       894.00
 Standard Error        .            .            .            .            .            .            .86         2.03         3.71

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              851.00       684.00       634.00       430.00       189.00
 Standard Error       3.58         3.86         4.75         7.11          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       672.28                 .82     (   670.67,    673.90 )
 (Limited to   712.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         456.00       413.00
 Standard Error        .            .            .            .            .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       337.40                 .35     (   336.71,    338.09 )
 (Limited to   349.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .            .         175.00
 Standard Error        .            .            .            .            .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2477.87                 .57     (  2476.76,   2478.99 )
 (Limited to   4016.0 )
 Median:    2731.00                2.34     (  2726.42,   2735.58 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3422.00      2731.00      2218.00      1829.00      1448.00      1148.00
 Standard Error        .            .            .            .           2.34         1.70         1.40         1.19          .88

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              910.00       680.00       509.00       346.00       187.00
 Standard Error        .72          .56          .41          .33          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2277.37                 .50     (  2276.40,   2278.34 )
 (Limited to   3651.0 )
 Median:    2519.00                1.86     (  2515.36,   2522.64 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3094.00      2519.00      2110.00      1740.00      1412.00      1123.00
 Standard Error        .            .            .            .           1.86         1.44         1.24         1.06          .90

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              854.00       662.00       496.00       343.00       185.00
 Standard Error        .70          .50          .39          .31          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2081.71                 .46     (  2080.80,   2082.61 )
 (Limited to   3283.0 )
 Median:    2421.00                1.99     (  2417.11,   2424.89 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3006.00      2421.00      1975.00      1595.00      1291.00      1048.00
 Standard Error        .            .            .            .           1.99         1.57         1.26          .97          .78

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              826.00       618.00       448.00       286.00       167.00
 Standard Error        .67          .54          .41          .29          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1928.19                 .40     (  1927.40,   1928.98 )
 (Limited to   2919.0 )
 Median:    2536.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2536.00      2035.00      1657.00      1316.00      1028.00
 Standard Error        .            .            .            .            .           1.65         1.31         1.10          .86

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              797.00       605.00       424.00       265.00       159.00
 Standard Error        .66          .53          .42          .28          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1737.50                 .35     (  1736.82,   1738.18 )
 (Limited to   2554.0 )
 Median:    2492.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2492.00      1968.00      1574.00      1245.00       987.00
 Standard Error        .            .            .            .            .           1.73         1.33         1.04          .77

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              788.00       602.00       427.00       264.00       148.00
 Standard Error        .60          .51          .43          .29          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1581.97                 .28     (  1581.42,   1582.53 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2140.00      1711.00      1374.00      1073.00
 Standard Error        .            .            .            .            .            .           1.40         1.12          .91

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              827.00       624.00       439.00       286.00       151.00
 Standard Error        .70          .55          .42          .30          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1358.71                 .23     (  1358.26,   1359.16 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1672.00      1302.00      1027.00
 Standard Error        .            .            .            .            .            .            .           1.12          .85

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              788.00       587.00       402.00       233.00       131.00
 Standard Error        .67          .54          .44          .28          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1132.37                 .17     (  1132.03,   1132.71 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1295.00       990.00
 Standard Error        .            .            .            .            .            .            .            .            .87

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              759.00       565.00       392.00       243.00       131.00
 Standard Error        .65          .51          .39          .27          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       898.41                 .12     (   898.17,    898.64 )
 (Limited to   1094.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1068.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              756.00       575.00       408.00       255.00       141.00
 Standard Error        .76          .49          .40          .28          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       637.69                 .07     (   637.55,    637.82 )
 (Limited to   730.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         616.00       412.00       239.00       129.00
 Standard Error        .            .            .47          .29          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       340.84                 .03     (   340.78,    340.90 )
 (Limited to   364.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         281.00       160.00
 Standard Error        .            .            .            .            .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2216.40                1.14     (  2214.16,   2218.64 )
 (Limited to   4015.0 )
 Median:    1957.00                2.62     (  1951.86,   1962.14 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3599.00      2954.00      2383.00      1957.00      1696.00      1371.00      1126.00       920.00
 Standard Error        .            .           4.73         3.88         2.62         2.25         2.06         1.57         1.33

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              724.00       567.00       434.00       297.00       175.00
 Standard Error       1.08          .83          .66          .53          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2150.94                1.01     (  2148.96,   2152.92 )
 (Limited to   3651.0 )
 Median:    2132.00                3.49     (  2125.17,   2138.83 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3132.00      2633.00      2132.00      1710.00      1471.00      1207.00      1007.00
 Standard Error        .            .            .           3.79         3.49         2.42         1.81         1.60         1.34

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              793.00       601.00       415.00       273.00       163.00
 Standard Error       1.22         1.04          .79          .51          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1981.94                 .82     (  1980.32,   1983.56 )
 (Limited to   3283.0 )
 Median:    2065.00                2.79     (  2059.53,   2070.47 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3028.00      2485.00      2065.00      1673.00      1360.00      1148.00       945.00
 Standard Error        .            .            .           3.35         2.79         2.37         1.72         1.33         1.15

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              763.00       598.00       424.00       265.00       168.00
 Standard Error        .98          .86          .74          .48          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1853.99                 .75     (  1852.51,   1855.46 )
 (Limited to   2918.0 )
 Median:    2198.00                3.03     (  2192.07,   2203.93 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2662.00      2198.00      1806.00      1442.00      1149.00       902.00
 Standard Error        .            .            .            .           3.03         2.62         2.21         1.74         1.38

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              698.00       535.00       382.00       255.00       152.00
 Standard Error       1.04          .82          .64          .45          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1678.05                 .68     (  1676.72,   1679.37 )
 (Limited to   2554.0 )
 Median:    2101.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2101.00      1743.00      1365.00      1113.00       908.00
 Standard Error        .            .            .            .            .           2.68         2.25         1.57         1.22

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              731.00       540.00       399.00       279.00       150.00
 Standard Error       1.10          .92          .63          .49          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1521.13                 .58     (  1520.00,   1522.25 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1863.00      1466.00      1182.00       893.00
 Standard Error        .            .            .            .            .            .           2.47         1.97         1.58

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              695.00       544.00       370.00       245.00       140.00
 Standard Error       1.07          .90          .73          .47          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1334.88                 .50     (  1333.91,   1335.86 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1490.00      1175.00       941.00
 Standard Error        .            .            .            .            .            .            .           2.06         1.59

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              729.00       525.00       385.00       269.00       164.00
 Standard Error       1.38         1.04          .69          .50          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1076.64                 .40     (  1075.86,   1077.42 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1165.00       980.00       747.00
 Standard Error        .            .            .            .            .            .            .           1.60         1.35

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              612.00       473.00       351.00       233.00       175.00
 Standard Error        .95          .81          .66          .41          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       860.76                 .29     (   860.19,    861.33 )
 (Limited to   1094.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1043.00       778.00
 Standard Error        .            .            .            .            .            .            .            .           1.46

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              617.00       448.00       335.00       196.00       114.00
 Standard Error       1.13          .90          .69          .51          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       610.01                 .17     (   609.67,    610.35 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              554.00       420.00       292.00       204.00       150.00
 Standard Error        .            .85          .61          .35          .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       333.64                 .08     (   333.48,    333.80 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         197.00       103.00
 Standard Error        .            .            .            .            .



TOOTHTYP:      1.00   Incisor and canine
 Survival Analysis for TIME     Time to reintervention

                                                  Total  Number   Number    Percent
                                                         Events  Censored  Censored

MAINTRT     Single surface amalgam               ******  ******   ******      57.12
  YEARPLAC     1991.00                           375000  189000   186000      49.60
  YEARPLAC     1992.00                           388000  194000   194000      50.00
  YEARPLAC     1993.00                           325000  172000   153000      47.08
  YEARPLAC     1994.00                           289000  138000   151000      52.25
  YEARPLAC     1995.00                           284000  130000   154000      54.23
  YEARPLAC     1996.00                           230000  110000   120000      52.17
  YEARPLAC     1997.00                           221000   95000   126000      57.01
  YEARPLAC     1998.00                           222000   71000   151000      68.02
  YEARPLAC     1999.00                           185000   67000   118000      63.78
  YEARPLAC     2000.00                           161000   37000   124000      77.02
  YEARPLAC     2001.00                           151000   11000   140000      92.72

MAINTRT     Two surface amalgam, not MO or DO    534000  209000   325000      60.86
  YEARPLAC     1991.00                            81000   36000    45000      55.56
  YEARPLAC     1992.00                            60000   27000    33000      55.00
  YEARPLAC     1993.00                            57000   26000    31000      54.39
  YEARPLAC     1994.00                            56000   27000    29000      51.79
  YEARPLAC     1995.00                            63000   27000    36000      57.14
  YEARPLAC     1996.00                            60000   26000    34000      56.67
  YEARPLAC     1997.00                            32000    8000    24000      75.00
  YEARPLAC     1998.00                            35000   16000    19000      54.29
  YEARPLAC     1999.00                            38000   13000    25000      65.79
  YEARPLAC     2000.00                            21000    2000    19000      90.48
  YEARPLAC     2001.00                            31000    1000    30000      96.77

MAINTRT     Composite resin                      ******  ******   ******      65.28
  YEARPLAC     1991.00                           ******  ******   ******      54.00
  YEARPLAC     1992.00                           ******  ******   ******      53.02
  YEARPLAC     1993.00                           ******  ******   ******      53.94
  YEARPLAC     1994.00                           ******  ******   ******      55.88
  YEARPLAC     1995.00                           ******  ******   ******      57.57
  YEARPLAC     1996.00                           ******  ******   ******      61.97
  YEARPLAC     1997.00                           ******  ******   ******      64.44
  YEARPLAC     1998.00                           ******  ******   ******      68.11
  YEARPLAC     1999.00                           ******  ******   ******      74.01
  YEARPLAC     2000.00                           ******  ******   ******      82.38
  YEARPLAC     2001.00                           ******  547000   ******      93.45

MAINTRT     Glass ionomer                        ******  ******   ******      59.46
  YEARPLAC     1991.00                           ******  ******   987000      46.78
  YEARPLAC     1992.00                           ******  ******   ******      50.54
  YEARPLAC     1993.00                           ******  ******   ******      50.31
  YEARPLAC     1994.00                           ******  ******   ******      54.07
  YEARPLAC     1995.00                           ******  991000   ******      55.12
  YEARPLAC     1996.00                           ******  875000   ******      59.19
  YEARPLAC     1997.00                           ******  668000   ******      62.64
  YEARPLAC     1998.00                           ******  633000   ******      62.16
  YEARPLAC     1999.00                           ******  497000   ******      68.88
  YEARPLAC     2000.00                           ******  363000   ******      76.54
  YEARPLAC     2001.00                           ******  113000   ******      91.41

Overall                                        ********42502000 75535000      63.99





TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2728.31                1.42     (  2725.52,   2731.09 )
 (Limited to   4016.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3302.00      2662.00      1979.00      1426.00
 Standard Error        .            .            .            .            .            .           6.23         5.51         4.00

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1048.00       834.00       643.00       401.00       208.00
 Standard Error       2.34         1.48         1.35         1.13          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2469.84                1.31     (  2467.28,   2472.40 )
 (Limited to   3650.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2758.00      2149.00      1719.00      1362.00
 Standard Error        .            .            .            .            .            .           4.90         3.66         3.01

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1050.00       828.00       629.00       451.00       244.00
 Standard Error       2.18         1.57         1.24         1.04          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2346.70                1.16     (  2344.43,   2348.98 )
 (Limited to   3283.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3229.00      2543.00      2033.00      1464.00
 Standard Error        .            .            .            .            .            .           5.70         5.11         4.02

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1134.00       873.00       588.00       378.00       180.00
 Standard Error       2.44         2.04         1.66         1.11          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2170.15                1.03     (  2168.13,   2172.17 )
 (Limited to   2918.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        2680.00      2089.00      1658.00
 Standard Error        .            .            .            .            .            .            .           5.02         3.85

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1270.00       951.00       660.00       360.00       182.00
 Standard Error       3.03         2.46         2.03         1.35          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1878.31                 .99     (  1876.36,   1880.25 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1705.00      1322.00
 Standard Error        .            .            .            .            .            .            .            .           3.35

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1029.00       712.00       511.00       316.00       182.00
 Standard Error       2.86         2.19         1.47         1.01          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1696.12                 .83     (  1694.51,   1697.74 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        2021.00      1480.00
 Standard Error        .            .            .            .            .            .            .            .           5.05

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1037.00       830.00       592.00       373.00       196.00
 Standard Error       3.17         1.96         1.76         1.25          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1455.67                 .69     (  1454.32,   1457.02 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1453.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1084.00       800.00       531.00       378.00       179.00
 Standard Error       3.28         2.48         1.74         1.19          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1171.43                 .52     (  1170.41,   1172.45 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1206.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              905.00       665.00       469.00       297.00       145.00
 Standard Error       2.65         1.92         1.45         1.05          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       930.69                 .38     (   929.95,    931.43 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              991.00       761.00       518.00       343.00       175.00
 Standard Error        .           2.27         1.83         1.19          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       645.81                 .21     (   645.39,    646.23 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         660.00       491.00       314.00       175.00
 Standard Error        .            .           1.47         1.09          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       348.42                 .09     (   348.25,    348.59 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .            .         232.00
 Standard Error        .            .            .            .            .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2138.70                4.14     (  2130.58,   2146.82 )
 (Limited to   4015.0 )
 Median:    1920.00                8.83     (  1902.70,   1937.30 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3271.00      2634.00      2185.00      1920.00      1514.00      1344.00       928.00       779.00
 Standard Error        .            .          15.27         9.90         8.83         7.87         7.01         7.21         4.03

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              585.00       517.00       418.00       324.00       239.00
 Standard Error       3.01         1.84         1.61         1.52          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2184.84                3.90     (  2177.20,   2192.48 )
 (Limited to   3637.0 )
 Median:    2747.00               21.85     (  2704.18,   2789.82 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3336.00      2747.00      1730.00      1260.00       973.00       787.00
 Standard Error        .            .            .            .          21.85        18.44         9.80         5.45         4.14

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              607.00       480.00       324.00       258.00       126.00
 Standard Error       3.35         2.95         2.02         1.53          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1765.46                3.32     (  1758.96,   1771.97 )
 (Limited to   3283.0 )
 Median:    1519.00                7.99     (  1503.35,   1534.65 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2661.00      2384.00      2030.00      1519.00      1402.00      1146.00       903.00       707.00
 Standard Error        .          10.28         9.35        10.60         7.99         5.64         6.09         5.31         3.75

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              595.00       399.00       245.00       195.00        86.00
 Standard Error       3.33         3.32         1.82         1.23          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1650.78                3.46     (  1644.00,   1657.56 )
 (Limited to   2903.0 )
 Median:    1710.00               12.04     (  1686.40,   1733.60 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2557.00      2151.00      1710.00      1446.00       910.00       744.00       572.00
 Standard Error        .            .            .          12.07        12.04        11.14         9.72         4.31         3.74

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              477.00       271.00       198.00       141.00        74.00
 Standard Error       3.69         2.81         1.35         1.04          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1512.93                2.75     (  1507.54,   1518.32 )
 (Limited to   2551.0 )
 Median:    1607.00                6.20     (  1594.84,   1619.16 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2357.00      2204.00      1838.00      1607.00      1458.00      1138.00       848.00       694.00
 Standard Error        .            .           7.63         8.17         6.20         6.76         8.02         5.99         3.63

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              581.00       345.00       272.00       176.00        78.00
 Standard Error       4.05         3.34         1.82         1.52          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1575.97                2.57     (  1570.94,   1581.00 )
 (Limited to   2184.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1953.00      1221.00       960.00
 Standard Error        .            .            .            .            .            .            .          12.66         5.13

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              875.00       575.00       413.00       301.00       109.00
 Standard Error       5.21         5.66         3.07         2.82          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1346.00                1.88     (  1342.33,   1349.68 )
 (Limited to   1820.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1705.00      1253.00       972.00
 Standard Error        .            .            .            .            .            .            .           8.55         6.31

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              779.00       568.00       466.00       182.00        96.00
 Standard Error       4.80         4.02         3.55         3.06          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1095.85                1.51     (  1092.90,   1098.81 )
 (Limited to   1448.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1300.00      1058.00       871.00
 Standard Error        .            .            .            .            .            .            .           5.89         4.11

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              769.00       654.00       352.00       199.00        92.00
 Standard Error       4.10         5.85         4.43         2.10          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       847.42                1.13     (   845.21,    849.63 )
 (Limited to   1090.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1008.00       753.00       664.00
 Standard Error        .            .            .            .            .            .            .           4.46         1.51

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              652.00       483.00       364.00       222.00       161.00
 Standard Error       3.06         3.57         2.93         2.10          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       617.25                 .69     (   615.90,    618.60 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .         686.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              686.00       497.00       321.00       232.00       113.00
 Standard Error       7.15         3.16         3.04         1.92          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       334.50                 .30     (   333.91,    335.10 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         211.00       130.00
 Standard Error        .            .            .            .            .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2812.48                 .69     (  2811.13,   2813.82 )
 (Limited to   4016.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3335.00      2711.00      2194.00      1735.00
 Standard Error        .            .            .            .            .            .           2.77         2.27         1.74

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1398.00      1096.00       795.00       526.00       270.00
 Standard Error       1.30         1.11          .93          .70          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2588.13                 .62     (  2586.92,   2589.34 )
 (Limited to   3651.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3182.00      2620.00      2165.00      1670.00
 Standard Error        .            .            .            .            .            .           2.44         2.17         1.89

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1292.00      1005.00       720.00       460.00       245.00
 Standard Error       1.34         1.04          .87          .63          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2383.46                 .55     (  2382.38,   2384.54 )
 (Limited to   3283.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3226.00      2604.00      2064.00      1673.00
 Standard Error        .            .            .            .            .            .           2.83         2.17         1.68

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1299.00       954.00       691.00       456.00       224.00
 Standard Error       1.46         1.13          .81          .62          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2188.58                 .48     (  2187.64,   2189.53 )
 (Limited to   2919.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        2650.00      2135.00      1677.00
 Standard Error        .            .            .            .            .            .            .           2.30         1.90

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1286.00       970.00       695.00       468.00       244.00
 Standard Error       1.48         1.12          .83          .62          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1952.89                 .43     (  1952.05,   1953.72 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1910.00      1596.00
 Standard Error        .            .            .            .            .            .            .            .           1.52

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1267.00       982.00       723.00       466.00       204.00
 Standard Error       1.34         1.08          .90          .74          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1722.44                 .36     (  1721.73,   1723.15 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1960.00      1578.00
 Standard Error        .            .            .            .            .            .            .            .           1.75

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1226.00       940.00       648.00       434.00       213.00
 Standard Error       1.41         1.17          .90          .64          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1481.38                 .29     (  1480.81,   1481.95 )
 (Limited to   1825.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1554.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1228.00       914.00       628.00       434.00       210.00
 Standard Error       1.43         1.23          .86          .62          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1213.68                 .23     (  1213.24,   1214.12 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1145.00       824.00       576.00       364.00       187.00
 Standard Error        .           1.17          .82          .58          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       944.20                 .16     (   943.89,    944.52 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         826.00       573.00       361.00       174.00
 Standard Error        .            .            .87          .62          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       661.99                 .09     (   661.81,    662.16 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .         620.00       392.00       191.00
 Standard Error        .            .            .            .68          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       347.66                 .04     (   347.58,    347.74 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .            .         209.00
 Standard Error        .            .            .            .            .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2579.46                 .96     (  2577.58,   2581.34 )
 (Limited to   4016.0 )
 Median:    2970.00                4.41     (  2961.35,   2978.65 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3741.00      2970.00      2427.00      2057.00      1656.00      1358.00
 Standard Error        .            .            .            .           4.41         2.98         2.44         2.14         1.68

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1074.00       845.00       588.00       378.00       195.00
 Standard Error       1.39         1.19         1.00          .70          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2407.63                 .89     (  2405.89,   2409.36 )
 (Limited to   3651.0 )
 Median:    3026.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3026.00      2502.00      2067.00      1651.00      1322.00
 Standard Error        .            .            .            .            .           3.21         2.77         2.33         1.79

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1047.00       774.00       582.00       366.00       184.00
 Standard Error       1.50         1.17          .90          .72          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2165.39                 .81     (  2163.81,   2166.97 )
 (Limited to   3283.0 )
 Median:    2790.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2790.00      2242.00      1823.00      1494.00      1198.00
 Standard Error        .            .            .            .            .           3.27         2.45         1.95         1.69

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              923.00       689.00       490.00       303.00       148.00
 Standard Error       1.41         1.09          .86          .64          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2026.21                 .71     (  2024.82,   2027.60 )
 (Limited to   2918.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2430.00      1938.00      1517.00      1260.00
 Standard Error        .            .            .            .            .            .           3.06         2.18         1.63

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              984.00       761.00       540.00       332.00       174.00
 Standard Error       1.44         1.18          .97          .69          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1826.84                 .64     (  1825.59,   1828.09 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2344.00      1882.00      1498.00      1245.00
 Standard Error        .            .            .            .            .            .           2.99         2.15         1.64

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              983.00       749.00       534.00       323.00       144.00
 Standard Error       1.48         1.24         1.03          .78          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1638.94                 .53     (  1637.89,   1639.98 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1977.00      1575.00      1257.00
 Standard Error        .            .            .            .            .            .            .           2.48         1.97

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              973.00       738.00       535.00       343.00       173.00
 Standard Error       1.60         1.21          .97          .73          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1397.56                 .44     (  1396.70,   1398.41 )
 (Limited to   1823.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1423.00      1146.00
 Standard Error        .            .            .            .            .            .            .            .           1.67

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              922.00       724.00       537.00       313.00       140.00
 Standard Error       1.32         1.10         1.03          .82          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1163.49                 .34     (  1162.82,   1164.17 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1136.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              846.00       657.00       457.00       308.00       153.00
 Standard Error       1.53         1.13          .89          .65          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       897.24                 .26     (   896.74,    897.74 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1038.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              782.00       611.00       413.00       237.00       125.00
 Standard Error       1.45         1.12         1.01          .64          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       648.06                 .15     (   647.76,    648.36 )
 (Limited to   730.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .         515.00       286.00       115.00
 Standard Error        .            .            .            .92          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       343.05                 .07     (   342.92,    343.18 )
 (Limited to   364.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         321.00       164.00
 Standard Error        .            .            .            .            .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2524.71                1.37     (  2522.03,   2527.39 )
 (Limited to   4015.0 )
 Median:    2986.00                5.79     (  2974.65,   2997.35 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3662.00      2986.00      2421.00      1986.00      1512.00      1175.00
 Standard Error        .            .            .            .           5.79         4.54         3.92         3.40         2.64

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              843.00       639.00       503.00       323.00       186.00
 Standard Error       1.97         1.14          .95          .78          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2355.49                1.17     (  2353.20,   2357.77 )
 (Limited to   3651.0 )
 Median:    2943.00                5.08     (  2933.05,   2952.95 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3543.00      2943.00      2376.00      1894.00      1492.00      1197.00
 Standard Error        .            .            .            .           5.08         4.53         3.67         2.82         2.14

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              931.00       714.00       509.00       319.00       168.00
 Standard Error       1.72         1.39         1.13          .80          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2086.53                1.10     (  2084.37,   2088.69 )
 (Limited to   3283.0 )
 Median:    2526.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2526.00      2049.00      1661.00      1292.00       969.00
 Standard Error        .            .            .            .            .           3.79         3.27         2.85         2.07

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              756.00       553.00       392.00       245.00       156.00
 Standard Error       1.52         1.19          .91          .59          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1986.67                 .87     (  1984.95,   1988.38 )
 (Limited to   2918.0 )
 Median:    2854.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2854.00      2194.00      1806.00      1451.00      1154.00
 Standard Error        .            .            .            .            .           4.20         3.00         2.55         1.91

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              934.00       710.00       438.00       259.00       144.00
 Standard Error       1.53         1.56         1.24          .68          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1797.56                 .72     (  1796.15,   1798.96 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2484.00      1862.00      1393.00      1072.00
 Standard Error        .            .            .            .            .            .           4.16         2.87         2.09

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              791.00       616.00       442.00       273.00       175.00
 Standard Error       1.47         1.03          .90          .58          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1620.01                 .57     (  1618.90,   1621.13 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1988.00      1512.00      1176.00
 Standard Error        .            .            .            .            .            .            .           2.92         2.04

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              911.00       662.00       448.00       298.00       165.00
 Standard Error       1.63         1.34          .92          .60          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1402.05                 .42     (  1401.22,   1402.88 )
 (Limited to   1822.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1522.00      1202.00
 Standard Error        .            .            .            .            .            .            .            .           1.86

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              936.00       684.00       450.00       259.00       171.00
 Standard Error       1.53         1.32         1.01          .56          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1167.09                 .33     (  1166.44,   1167.73 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1211.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              889.00       633.00       434.00       282.00       161.00
 Standard Error       1.71         1.24          .85          .55          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       889.29                 .23     (   888.83,    889.74 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              747.00       556.00       371.00       234.00       115.00
 Standard Error        .           1.00          .75          .50          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       635.75                 .13     (   635.49,    636.00 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         625.00       415.00       246.00       131.00
 Standard Error        .            .            .88          .56          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       338.01                 .06     (   337.89,    338.13 )
 (Limited to   364.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         235.00       141.00
 Standard Error        .            .            .            .            .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2473.11                1.30     (  2470.56,   2475.66 )
 (Limited to   4016.0 )
 Median:    2707.00                4.58     (  2698.03,   2715.97 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3202.00      2707.00      2192.00      1793.00      1441.00      1237.00
 Standard Error        .            .            .            .           4.58         4.01         3.18         2.26         1.89

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              944.00       741.00       558.00       379.00       189.00
 Standard Error       1.78         1.26         1.02          .87          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2252.07                1.15     (  2249.81,   2254.33 )
 (Limited to   3651.0 )
 Median:    2556.00                4.32     (  2547.53,   2564.47 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3017.00      2556.00      2002.00      1586.00      1327.00      1046.00
 Standard Error        .            .            .            .           4.32         4.12         2.76         2.12         1.81

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              839.00       662.00       493.00       297.00       180.00
 Standard Error       1.35         1.08         1.02          .72          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2147.46                 .94     (  2145.61,   2149.31 )
 (Limited to   3283.0 )
 Median:    2904.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2904.00      2206.00      1680.00      1322.00      1072.00
 Standard Error        .            .            .            .            .           4.67         3.27         2.17         1.59

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              856.00       640.00       470.00       323.00       184.00
 Standard Error       1.37         1.12          .80          .61          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1924.22                 .82     (  1922.60,   1925.83 )
 (Limited to   2918.0 )
 Median:    2584.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2584.00      2009.00      1549.00      1294.00      1083.00
 Standard Error        .            .            .            .            .           4.01         2.64         1.66         1.64

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              811.00       604.00       406.00       259.00       133.00
 Standard Error       1.52         1.16          .87          .57          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1798.28                 .71     (  1796.89,   1799.68 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2380.00      1820.00      1381.00      1105.00
 Standard Error        .            .            .            .            .            .           3.76         2.63         1.81

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              861.00       652.00       463.00       339.00       186.00
 Standard Error       1.48         1.18          .82          .60          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1566.20                 .63     (  1564.97,   1567.44 )
 (Limited to   2189.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1659.00      1321.00      1021.00
 Standard Error        .            .            .            .            .            .            .           2.43         1.97

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              775.00       569.00       387.00       251.00       150.00
 Standard Error       1.54         1.18          .87          .54          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1291.27                 .54     (  1290.21,   1292.32 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1582.00      1302.00      1069.00       833.00
 Standard Error        .            .            .            .            .            .           2.09         1.86         1.63

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              636.00       492.00       368.00       244.00       129.00
 Standard Error       1.20          .86          .71          .57          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1105.15                 .41     (  1104.35,   1105.96 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1141.00       861.00
 Standard Error        .            .            .            .            .            .            .            .           1.75

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              678.00       537.00       357.00       220.00       141.00
 Standard Error       1.17         1.06          .89          .52          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       866.81                 .28     (   866.25,    867.36 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1062.00       801.00
 Standard Error        .            .            .            .            .            .            .            .           1.66

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              617.00       465.00       338.00       208.00       144.00
 Standard Error       1.18          .88          .72          .46          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       622.73                 .17     (   622.39,    623.07 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         518.00       341.00       200.00       126.00
 Standard Error        .            .            .92          .52          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       333.04                 .08     (   332.88,    333.19 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .         316.00       211.00       108.00
 Standard Error        .            .            .            .67          .



TOOTHTYP:      2.00   Premolar
 Survival Analysis for TIME     Time to reintervention

                                                  Total  Number   Number    Percent
                                                         Events  Censored  Censored

MAINTRT     Single surface amalgam               ******  ******   ******      69.55
  YEARPLAC     1991.00                           ******  523000   806000      60.65
  YEARPLAC     1992.00                           ******  501000   774000      60.71
  YEARPLAC     1993.00                           ******  445000   784000      63.79
  YEARPLAC     1994.00                           ******  379000   728000      65.76
  YEARPLAC     1995.00                           947000  324000   623000      65.79
  YEARPLAC     1996.00                           886000  271000   615000      69.41
  YEARPLAC     1997.00                           800000  227000   573000      71.63
  YEARPLAC     1998.00                           858000  243000   615000      71.68
  YEARPLAC     1999.00                           728000  157000   571000      78.43
  YEARPLAC     2000.00                           765000  126000   639000      83.53
  YEARPLAC     2001.00                           660000   27000   633000      95.91

MAINTRT     Two surface amalgam, not MO or DO    ******  583000   759000      56.56
  YEARPLAC     1991.00                           154000   88000    66000      42.86
  YEARPLAC     1992.00                           153000   76000    77000      50.33
  YEARPLAC     1993.00                           152000   92000    60000      39.47
  YEARPLAC     1994.00                           125000   66000    59000      47.20
  YEARPLAC     1995.00                           129000   75000    54000      41.86
  YEARPLAC     1996.00                           101000   38000    63000      62.38
  YEARPLAC     1997.00                           128000   45000    83000      64.84
  YEARPLAC     1998.00                           114000   40000    74000      64.91
  YEARPLAC     1999.00                            96000   34000    62000      64.58
  YEARPLAC     2000.00                            95000   21000    74000      77.89
  YEARPLAC     2001.00                            95000    8000    87000      91.58

MAINTRT     MO or DO amalgam                     ******  ******   ******      71.74
  YEARPLAC     1991.00                           ******  ******   ******      62.25
  YEARPLAC     1992.00                           ******  ******   ******      63.07
  YEARPLAC     1993.00                           ******  ******   ******      63.97
  YEARPLAC     1994.00                           ******  ******   ******      66.41
  YEARPLAC     1995.00                           ******  ******   ******      67.22
  YEARPLAC     1996.00                           ******  ******   ******      69.76
  YEARPLAC     1997.00                           ******  ******   ******      72.66
  YEARPLAC     1998.00                           ******  980000   ******      75.78
  YEARPLAC     1999.00                           ******  745000   ******      80.37
  YEARPLAC     2000.00                           ******  473000   ******      87.05
  YEARPLAC     2001.00                           ******  149000   ******      95.64

MAINTRT     MOD amalgam                          ******  ******   ******      65.45
  YEARPLAC     1991.00                           ******  ******   ******      55.19
  YEARPLAC     1992.00                           ******  ******   ******      56.22
  YEARPLAC     1993.00                           ******  ******   ******      56.31
  YEARPLAC     1994.00                           ******  ******   ******      59.70
  YEARPLAC     1995.00                           ******  884000   ******      60.92
  YEARPLAC     1996.00                           ******  774000   ******      64.91
  YEARPLAC     1997.00                           ******  707000   ******      66.24
  YEARPLAC     1998.00                           ******  581000   ******      70.75
  YEARPLAC     1999.00                           ******  471000   ******      73.92
  YEARPLAC     2000.00                           ******  260000   ******      84.70
  YEARPLAC     2001.00                           ******   90000   ******      94.15

MAINTRT     Composite resin                      ******  ******   ******      68.43
  YEARPLAC     1991.00                           ******  672000   802000      54.41
  YEARPLAC     1992.00                           ******  724000   897000      55.34
  YEARPLAC     1993.00                           ******  677000   789000      53.82
  YEARPLAC     1994.00                           ******  718000   970000      57.46
  YEARPLAC     1995.00                           ******  737000   ******      61.57
  YEARPLAC     1996.00                           ******  713000   ******      64.76
  YEARPLAC     1997.00                           ******  749000   ******      67.00
  YEARPLAC     1998.00                           ******  620000   ******      71.65
  YEARPLAC     1999.00                           ******  612000   ******      73.52
  YEARPLAC     2000.00                           ******  423000   ******      82.27
  YEARPLAC     2001.00                           ******  160000   ******      92.77



MAINTRT     Glass ionomer                        ******  ******   ******      63.87
  YEARPLAC     1991.00                           ******  745000   872000      53.93
  YEARPLAC     1992.00                           ******  794000   901000      53.16
  YEARPLAC     1993.00                           ******  856000   ******      56.96
  YEARPLAC     1994.00                           ******  867000   ******      57.16
  YEARPLAC     1995.00                           ******  742000   ******      61.45
  YEARPLAC     1996.00                           ******  662000   ******      62.21
  YEARPLAC     1997.00                           ******  647000   944000      59.33
  YEARPLAC     1998.00                           ******  542000   ******      65.35
  YEARPLAC     1999.00                           ******  482000   ******      69.88
  YEARPLAC     2000.00                           ******  304000   ******      79.99
  YEARPLAC     2001.00                           ******  124000   ******      91.44

Overall                                        ********39473000 85513000      68.42





TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2935.92                 .58     (  2934.78,   2937.06 )
 (Limited to   4017.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        3360.00      2674.00      2055.00
 Standard Error        .            .            .            .            .            .            .           2.64         2.07

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1576.00      1169.00       813.00       553.00       293.00
 Standard Error       1.55         1.21          .85          .59          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2725.25                 .52     (  2724.24,   2726.27 )
 (Limited to   3651.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        3203.00      2607.00      2053.00
 Standard Error        .            .            .            .            .            .            .           2.36         1.94

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1600.00      1230.00       868.00       592.00       311.00
 Standard Error       1.47         1.18          .90          .64          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2507.11                 .47     (  2506.20,   2508.02 )
 (Limited to   3283.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        2631.00      2065.00
 Standard Error        .            .            .            .            .            .            .            .           2.05

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1594.00      1182.00       840.00       572.00       287.00
 Standard Error       1.61         1.25          .88          .66          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2290.39                 .41     (  2289.58,   2291.20 )
 (Limited to   2918.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        2695.00      2063.00
 Standard Error        .            .            .            .            .            .            .            .           2.20

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1608.00      1235.00       848.00       553.00       273.00
 Standard Error       1.56         1.30         1.02          .71          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2038.76                 .37     (  2038.04,   2039.48 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        2009.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1587.00      1145.00       795.00       515.00       242.00
 Standard Error       1.71         1.41          .98          .71          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1819.97                 .30     (  1819.38,   1820.56 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1673.00      1237.00       899.00       574.00       273.00
 Standard Error        .           1.44         1.08          .83          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1565.74                 .24     (  1565.27,   1566.20 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1754.00      1283.00       916.00       600.00       294.00
 Standard Error        .           1.59         1.16          .86          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1282.66                 .18     (  1282.30,   1283.01 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .        1325.00       886.00       532.00       245.00
 Standard Error        .            .           1.34          .89          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       997.86                 .12     (   997.62,    998.10 )
 (Limited to   1095.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .         910.00       601.00       317.00
 Standard Error        .            .            .            .87          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       683.85                 .07     (   683.71,    683.98 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         658.00       281.00
 Standard Error        .            .            .            .            .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Single surface amalgam
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       351.63                 .03     (   351.57,    351.69 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .            .         259.00
 Standard Error        .            .            .            .            .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2596.89                1.26     (  2594.42,   2599.36 )
 (Limited to   4016.0 )
 Median:    3055.00                4.67     (  3045.85,   3064.15 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3623.00      3055.00      2577.00      2203.00      1783.00      1404.00
 Standard Error        .            .            .            .           4.67         3.65         3.46         3.21         2.54

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1119.00       810.00       563.00       371.00       185.00
 Standard Error       2.11         1.78         1.25          .88          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2509.31                1.11     (  2507.14,   2511.47 )
 (Limited to   3651.0 )
 Median:    3515.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3515.00      2941.00      2393.00      1894.00      1517.00
 Standard Error        .            .            .            .            .           4.89         4.35         3.49         2.80

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1146.00       847.00       608.00       420.00       201.00
 Standard Error       2.34         1.73         1.20          .92          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2255.63                1.00     (  2253.67,   2257.60 )
 (Limited to   3283.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2645.00      2071.00      1695.00      1342.00
 Standard Error        .            .            .            .            .            .           3.95         2.95         2.50

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1036.00       759.00       568.00       371.00       183.00
 Standard Error       2.06         1.49         1.11          .90          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2100.43                 .92     (  2098.63,   2102.23 )
 (Limited to   2918.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        2287.00      1797.00      1357.00
 Standard Error        .            .            .            .            .            .            .           3.92         2.94

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1064.00       774.00       580.00       382.00       189.00
 Standard Error       2.16         1.64         1.17          .97          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1898.85                 .84     (  1897.19,   1900.50 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        2323.00      1882.00      1414.00
 Standard Error        .            .            .            .            .            .            .           4.20         3.68

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1057.00       763.00       551.00       378.00       182.00
 Standard Error       2.64         1.86         1.24          .97          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1671.45                 .68     (  1670.10,   1672.79 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1709.00      1327.00
 Standard Error        .            .            .            .            .            .            .            .           2.84

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1043.00       785.00       571.00       386.00       210.00
 Standard Error       2.17         1.72         1.32          .97          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1483.58                 .53     (  1482.53,   1484.62 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1547.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1232.00       931.00       675.00       378.00       203.00
 Standard Error       2.52         2.10         1.82         1.28          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1202.78                 .43     (  1201.95,   1203.62 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1397.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              995.00       797.00       571.00       386.00       216.00
 Standard Error       2.52         1.64         1.39         1.01          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       954.95                 .29     (   954.39,    955.52 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         909.00       630.00       387.00       194.00
 Standard Error        .            .           1.78         1.27          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       654.94                 .18     (   654.59,    655.29 )
 (Limited to   726.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .         560.00       357.00       197.00
 Standard Error        .            .            .           1.08          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Two surface amalgam, not MO or DO
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       346.37                 .08     (   346.23,    346.52 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .            .         201.00
 Standard Error        .            .            .            .            .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2616.90                 .53     (  2615.86,   2617.93 )
 (Limited to   4017.0 )
 Median:    3145.00                2.27     (  3140.54,   3149.46 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3814.00      3145.00      2603.00      2152.00      1751.00      1419.00
 Standard Error        .            .            .            .           2.27         1.82         1.51         1.25         1.00

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1131.00       867.00       638.00       417.00       217.00
 Standard Error        .83          .67          .54          .42          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2427.68                 .47     (  2426.75,   2428.60 )
 (Limited to   3651.0 )
 Median:    3074.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3074.00      2557.00      2086.00      1678.00      1356.00
 Standard Error        .            .            .            .            .           1.80         1.54         1.23          .98

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1064.00       820.00       598.00       397.00       202.00
 Standard Error        .79          .63          .50          .39          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2245.64                 .42     (  2244.82,   2246.45 )
 (Limited to   3283.0 )
 Median:    3070.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3070.00      2567.00      2086.00      1692.00      1305.00
 Standard Error        .            .            .            .            .           1.77         1.52         1.30         1.06

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1020.00       777.00       567.00       380.00       189.00
 Standard Error        .78          .61          .47          .37          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2063.91                 .37     (  2063.18,   2064.64 )
 (Limited to   2918.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2630.00      2092.00      1682.00      1338.00
 Standard Error        .            .            .            .            .            .           1.69         1.28         1.06

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1024.00       767.00       548.00       358.00       182.00
 Standard Error        .86          .65          .49          .36          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1881.82                 .32     (  1881.20,   1882.45 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        2141.00      1726.00      1383.00
 Standard Error        .            .            .            .            .            .            .           1.33         1.05

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1093.00       803.00       572.00       373.00       186.00
 Standard Error        .90          .74          .53          .39          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1666.77                 .27     (  1666.24,   1667.29 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1722.00      1360.00
 Standard Error        .            .            .            .            .            .            .            .           1.12

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1051.00       781.00       547.00       357.00       175.00
 Standard Error        .90          .71          .53          .38          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1441.64                 .22     (  1441.21,   1442.07 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1780.00      1347.00
 Standard Error        .            .            .            .            .            .            .            .           1.27

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1037.00       772.00       562.00       363.00       187.00
 Standard Error        .92          .69          .52          .40          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1193.75                 .17     (  1193.43,   1194.08 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1311.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1021.00       770.00       540.00       354.00       172.00
 Standard Error        .87          .71          .54          .39          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       936.36                 .11     (   936.13,    936.58 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1072.00       760.00       552.00       363.00       175.00
 Standard Error        .            .76          .53          .41          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       655.65                 .07     (   655.52,    655.79 )
 (Limited to   729.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .         560.00       344.00       174.00
 Standard Error        .            .            .            .42          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MO or DO amalgam
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       343.89                 .03     (   343.83,    343.94 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .            .         174.00
 Standard Error        .            .            .            .            .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2446.80                 .87     (  2445.10,   2448.50 )
 (Limited to   4017.0 )
 Median:    2598.00                2.76     (  2592.59,   2603.41 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3835.00      3158.00      2598.00      2225.00      1751.00      1401.00      1129.00
 Standard Error        .            .            .           3.73         2.76         2.46         2.30         1.67         1.28

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              896.00       693.00       514.00       350.00       177.00
 Standard Error       1.03          .83          .65          .53          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2347.66                 .78     (  2346.14,   2349.19 )
 (Limited to   3651.0 )
 Median:    2850.00                3.74     (  2842.67,   2857.33 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3603.00      2850.00      2310.00      1847.00      1493.00      1199.00
 Standard Error        .            .            .            .           3.74         2.90         2.29         1.73         1.39

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              944.00       715.00       511.00       329.00       160.00
 Standard Error       1.15          .94          .74          .55          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2118.79                 .69     (  2117.43,   2120.15 )
 (Limited to   3285.0 )
 Median:    2511.00                3.25     (  2504.63,   2517.37 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3201.00      2511.00      2087.00      1710.00      1403.00      1126.00
 Standard Error        .            .            .            .           3.25         2.30         1.92         1.55         1.37

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              863.00       669.00       449.00       294.00       168.00
 Standard Error       1.08          .89          .71          .44          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1961.35                 .63     (  1960.11,   1962.58 )
 (Limited to   2918.0 )
 Median:    2639.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2639.00      2151.00      1759.00      1380.00      1113.00
 Standard Error        .            .            .            .            .           2.65         2.24         1.81         1.34

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              875.00       645.00       476.00       291.00       138.00
 Standard Error       1.16          .90          .70          .56          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1780.57                 .55     (  1779.49,   1781.64 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2098.00      1764.00      1415.00      1126.00
 Standard Error        .            .            .            .            .            .           2.01         1.81         1.46

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              875.00       650.00       445.00       270.00       154.00
 Standard Error       1.19          .99          .77          .49          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1602.79                 .46     (  1601.88,   1603.70 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1834.00      1481.00      1138.00
 Standard Error        .            .            .            .            .            .            .           2.02         1.61

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              900.00       658.00       461.00       268.00       132.00
 Standard Error       1.23         1.03          .80          .57          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1392.51                 .37     (  1391.80,   1393.23 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1777.00      1448.00      1181.00
 Standard Error        .            .            .            .            .            .            .           1.68         1.45

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              918.00       684.00       463.00       271.00       139.00
 Standard Error       1.30         1.06          .85          .55          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1160.55                 .29     (  1159.99,   1161.12 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1152.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              880.00       644.00       448.00       259.00       126.00
 Standard Error       1.34         1.04          .81          .57          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       913.08                 .20     (   912.68,    913.48 )
 (Limited to   1094.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              919.00       622.00       440.00       276.00       117.00
 Standard Error        .           1.17          .75          .58          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       641.63                 .12     (   641.38,    641.87 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .         456.00       251.00       125.00
 Standard Error        .            .            .            .61          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = MOD amalgam
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       340.76                 .05     (   340.65,    340.87 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         294.00       173.00
 Standard Error        .            .            .            .            .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2424.77                3.27     (  2418.36,   2431.17 )
 (Limited to   4015.0 )
 Median:    2374.00               11.78     (  2350.91,   2397.09 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3165.00      2374.00      1981.00      1751.00      1441.00      1198.00
 Standard Error        .            .            .            .          11.78         6.64         5.68         6.28         5.24

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              860.00       644.00       463.00       235.00       131.00
 Standard Error       4.68         3.09         2.94         2.05          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2219.71                2.67     (  2214.47,   2224.94 )
 (Limited to   3651.0 )
 Median:    2657.00               10.73     (  2635.96,   2678.04 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2971.00      2657.00      1860.00      1422.00      1214.00       941.00
 Standard Error        .            .            .            .          10.73        10.71         6.50         4.10         3.64

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              777.00       552.00       449.00       294.00       166.00
 Standard Error       2.72         2.49         1.60         1.59          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2080.99                2.17     (  2076.73,   2085.25 )
 (Limited to   3280.0 )
 Median:    2542.00                7.38     (  2527.53,   2556.47 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3236.00      2839.00      2542.00      2035.00      1627.00      1312.00      1028.00
 Standard Error        .            .            .           5.46         7.38         7.95         5.96         4.84         3.96

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              804.00       631.00       490.00       274.00       178.00
 Standard Error       3.21         2.43         2.13         1.52          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1856.04                1.68     (  1852.74,   1859.34 )
 (Limited to   2918.0 )
 Median:    2219.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2219.00      1859.00      1429.00      1120.00       838.00
 Standard Error        .            .            .            .            .           6.08         5.35         4.11         3.07

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              664.00       498.00       398.00       213.00       153.00
 Standard Error       2.15         1.47         1.41         1.04          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1767.54                1.24     (  1765.11,   1769.96 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2057.00      1728.00      1436.00      1089.00
 Standard Error        .            .            .            .            .            .           4.13         4.12         3.66

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              817.00       578.00       392.00       258.00       147.00
 Standard Error       2.86         2.19         1.40          .92          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1584.77                 .95     (  1582.91,   1586.63 )
 (Limited to   2189.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1896.00      1447.00      1050.00
 Standard Error        .            .            .            .            .            .            .           4.72         3.69

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              762.00       551.00       385.00       246.00       131.00
 Standard Error       2.53         1.72         1.26          .82          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1370.16                 .66     (  1368.86,   1371.45 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1727.00      1302.00      1049.00
 Standard Error        .            .            .            .            .            .            .           3.48         2.25

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              846.00       603.00       461.00       268.00       158.00
 Standard Error       2.04         1.58         1.26          .92          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1167.48                 .47     (  1166.57,   1168.39 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1184.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              887.00       680.00       453.00       300.00       137.00
 Standard Error       2.17         1.72         1.34          .91          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       901.35                 .31     (   900.74,    901.97 )
 (Limited to   1094.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1048.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              794.00       600.00       420.00       251.00       133.00
 Standard Error       1.75         1.38         1.12          .79          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       616.83                 .20     (   616.44,    617.22 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         499.00       309.00       182.00        82.00
 Standard Error        .            .            .99          .62          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Composite resin
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       333.23                 .08     (   333.06,    333.39 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         201.00       103.00
 Standard Error        .            .            .            .            .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2215.94                1.52     (  2212.95,   2218.92 )
 (Limited to   4016.0 )
 Median:    2008.00                4.00     (  2000.16,   2015.84 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3520.00      2940.00      2458.00      2008.00      1660.00      1375.00      1166.00       902.00
 Standard Error        .            .           5.47         4.82         4.00         3.17         2.41         2.20         1.90

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              731.00       542.00       377.00       239.00       141.00
 Standard Error       1.48         1.33         1.00          .65          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2001.36                1.25     (  1998.92,   2003.80 )
 (Limited to   3651.0 )
 Median:    1819.00                3.22     (  1812.70,   1825.30 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3319.00      2755.00      2208.00      1819.00      1489.00      1216.00       964.00       784.00
 Standard Error        .            .           5.06         4.22         3.22         2.66         2.25         1.79         1.38

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              611.00       457.00       343.00       216.00       119.00
 Standard Error       1.19          .89          .71          .55          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1892.49                1.06     (  1890.41,   1894.57 )
 (Limited to   3283.0 )
 Median:    1823.00                3.18     (  1816.76,   1829.24 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2852.00      2255.00      1823.00      1507.00      1233.00       994.00       784.00
 Standard Error        .            .            .           4.48         3.18         2.47         2.10         1.75         1.33

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              625.00       476.00       350.00       203.00       108.00
 Standard Error       1.07          .86          .76          .57          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1795.93                 .89     (  1794.20,   1797.67 )
 (Limited to   2918.0 )
 Median:    1969.00                3.49     (  1962.15,   1975.85 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2455.00      1969.00      1604.00      1338.00      1101.00       832.00
 Standard Error        .            .            .            .           3.49         2.54         1.96         1.90         1.64

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              639.00       483.00       353.00       217.00       112.00
 Standard Error       1.16          .87          .71          .54          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1567.38                 .79     (  1565.84,   1568.92 )
 (Limited to   2554.0 )
 Median:    1772.00                3.03     (  1766.05,   1777.95 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2153.00      1772.00      1410.00      1089.00       881.00       725.00
 Standard Error        .            .            .            .           3.03         2.74         2.05         1.37         1.15

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              559.00       410.00       291.00       182.00        90.00
 Standard Error       1.05          .82          .61          .46          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1376.96                 .64     (  1375.71,   1378.22 )
 (Limited to   2190.0 )
 Median:    1602.00                2.67     (  1596.77,   1607.23 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        1952.00      1602.00      1290.00      1028.00       824.00       664.00
 Standard Error        .            .            .            .           2.67         2.23         1.76         1.31         1.06

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              518.00       397.00       282.00       193.00       104.00
 Standard Error        .86          .70          .54          .40          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1247.97                 .53     (  1246.92,   1249.02 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1524.00      1161.00       912.00       711.00
 Standard Error        .            .            .            .            .            .           2.38         1.68         1.23

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              573.00       427.00       275.00       175.00        75.00
 Standard Error        .95          .91          .67          .46          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1037.68                 .39     (  1036.91,   1038.45 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1309.00      1078.00       859.00       664.00
 Standard Error        .            .            .            .            .            .           1.69         1.47         1.06

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              546.00       391.00       288.00       187.00       101.00
 Standard Error        .87          .75          .53          .41          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       814.08                 .28     (   813.53,    814.63 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1031.00       791.00       606.00
 Standard Error        .            .            .            .            .            .            .           1.46         1.08

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              469.00       363.00       233.00       171.00        74.00
 Standard Error        .77          .67          .50          .35          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       591.25                 .17     (   590.92,    591.58 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .         670.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              483.00       369.00       237.00       175.00        74.00
 Standard Error        .94          .71          .50          .35          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

 Strata MAINTRT = Glass ionomer
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       323.07                 .08     (   322.92,    323.23 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .         238.00       162.00        72.00
 Standard Error        .            .            .            .40          .



TOOTHTYP:      3.00   Molar
 Survival Analysis for TIME     Time to reintervention

                                                  Total  Number   Number    Percent
                                                         Events  Censored  Censored

MAINTRT     Single surface amalgam               ******  ******   ******      76.58
  YEARPLAC     1991.00                           ******  ******   ******      67.11
  YEARPLAC     1992.00                           ******  ******   ******      68.39
  YEARPLAC     1993.00                           ******  ******   ******      69.31
  YEARPLAC     1994.00                           ******  ******   ******      71.23
  YEARPLAC     1995.00                           ******  ******   ******      72.71
  YEARPLAC     1996.00                           ******  ******   ******      76.61
  YEARPLAC     1997.00                           ******  ******   ******      79.63
  YEARPLAC     1998.00                           ******  845000   ******      82.48
  YEARPLAC     1999.00                           ******  604000   ******      86.61
  YEARPLAC     2000.00                           ******  360000   ******      91.49
  YEARPLAC     2001.00                           ******  130000   ******      96.70

MAINTRT     Two surface amalgam, not MO or DO    ******  ******   ******      69.13
  YEARPLAC     1991.00                           ******  732000   929000      55.93
  YEARPLAC     1992.00                           ******  682000   ******      60.85
  YEARPLAC     1993.00                           ******  666000   992000      59.83
  YEARPLAC     1994.00                           ******  541000   943000      63.54
  YEARPLAC     1995.00                           ******  439000   842000      65.73
  YEARPLAC     1996.00                           ******  422000   869000      67.31
  YEARPLAC     1997.00                           ******  333000   904000      73.08
  YEARPLAC     1998.00                           ******  294000   849000      74.28
  YEARPLAC     1999.00                           ******  198000   895000      81.88
  YEARPLAC     2000.00                           ******  146000   861000      85.50
  YEARPLAC     2001.00                           972000   45000   927000      95.37

MAINTRT     MO or DO amalgam                     ******  ******   ******      68.67
  YEARPLAC     1991.00                           ******  ******   ******      56.41
  YEARPLAC     1992.00                           ******  ******   ******      57.56
  YEARPLAC     1993.00                           ******  ******   ******      58.61
  YEARPLAC     1994.00                           ******  ******   ******      61.49
  YEARPLAC     1995.00                           ******  ******   ******      64.06
  YEARPLAC     1996.00                           ******  ******   ******      66.98
  YEARPLAC     1997.00                           ******  ******   ******      70.28
  YEARPLAC     1998.00                           ******  ******   ******      73.33
  YEARPLAC     1999.00                           ******  ******   ******      78.81
  YEARPLAC     2000.00                           ******  ******   ******      85.65
  YEARPLAC     2001.00                           ******  381000   ******      94.62

MAINTRT     MOD amalgam                          ******  ******   ******      64.93
  YEARPLAC     1991.00                           ******  ******   ******      51.59
  YEARPLAC     1992.00                           ******  ******   ******      55.57
  YEARPLAC     1993.00                           ******  ******   ******      54.60
  YEARPLAC     1994.00                           ******  ******   ******      56.90
  YEARPLAC     1995.00                           ******  ******   ******      58.88
  YEARPLAC     1996.00                           ******  ******   ******      62.70
  YEARPLAC     1997.00                           ******  ******   ******      66.03
  YEARPLAC     1998.00                           ******  849000   ******      70.68
  YEARPLAC     1999.00                           ******  653000   ******      76.45
  YEARPLAC     2000.00                           ******  415000   ******      83.92
  YEARPLAC     2001.00                           ******  153000   ******      93.78

MAINTRT     Composite resin                      ******  ******   ******      70.83
  YEARPLAC     1991.00                           268000  123000   145000      54.10
  YEARPLAC     1992.00                           334000  154000   180000      53.89
  YEARPLAC     1993.00                           360000  174000   186000      51.67
  YEARPLAC     1994.00                           500000  227000   273000      54.60
  YEARPLAC     1995.00                           646000  262000   384000      59.44
  YEARPLAC     1996.00                           782000  283000   499000      63.81
  YEARPLAC     1997.00                           964000  341000   623000      64.63
  YEARPLAC     1998.00                           ******  309000   773000      71.44
  YEARPLAC     1999.00                           ******  310000   905000      74.49
  YEARPLAC     2000.00                           ******  257000   ******      79.64
  YEARPLAC     2001.00                           ******  112000   ******      91.62



MAINTRT     Glass ionomer                        ******  ******   ******      58.76
  YEARPLAC     1991.00                           ******  637000   537000      45.74
  YEARPLAC     1992.00                           ******  808000   657000      44.85
  YEARPLAC     1993.00                           ******  848000   790000      48.23
  YEARPLAC     1994.00                           ******  873000   898000      50.71
  YEARPLAC     1995.00                           ******  859000   872000      50.38
  YEARPLAC     1996.00                           ******  908000   939000      50.84
  YEARPLAC     1997.00                           ******  737000   ******      57.81
  YEARPLAC     1998.00                           ******  774000   ******      59.00
  YEARPLAC     1999.00                           ******  693000   ******      63.98
  YEARPLAC     2000.00                           ******  507000   ******      73.88
  YEARPLAC     2001.00                           ******  220000   ******      88.69

Overall                                        ********70249000 ********      69.50



Survival; maintrt: single surface amalgam ; toothtyp= incisor and canine

Survival; maintrt: two surface amalgam, not mo or do ; toothtyp= incisor and can

Survival; maintrt: composite resin ; toothtyp= incisor and canine

Survival; maintrt: glass ionomer ; toothtyp= incisor and canine

Survival; maintrt: single surface amalgam ; toothtyp= premolar

Survival; maintrt: two surface amalgam, not mo or do ; toothtyp= premolar

Survival; maintrt: mo or do amalgam ; toothtyp= premolar

Survival; maintrt: mod amalgam ; toothtyp= premolar

Survival; maintrt: composite resin ; toothtyp= premolar

Survival; maintrt: glass ionomer ; toothtyp= premolar

Survival; maintrt: single surface amalgam ; toothtyp= molar

Survival; maintrt: two surface amalgam, not mo or do ; toothtyp= molar

Survival; maintrt: mo or do amalgam ; toothtyp= molar

Survival; maintrt: mod amalgam ; toothtyp= molar

Survival; maintrt: composite resin ; toothtyp= molar

Survival; maintrt: glass ionomer ; toothtyp= molar

>Warning # 3211
>On at least one case, the value of the weight variable was zero, negative,
>or missing.  Such cases are invisible to statistical procedures and graphs
>which need positively weighted cases, but remain on the file and are
>processed by non-statistical facilities such as LIST and SAVE.


Split file off.

* Analyse interesting subgroups separately.

Temporary.

* Composite resin on incisors and canines.

Select if (toothtyp=1 and maintrt=1421).

KM
  time  by  yearplac/STATUS=reint(1)
    /strata = patageg2
    /plot=survival
    /PRINT MEAN
    /PERCENTILES = (25,35,40,45,50,55,60,65,70,75,80,85,90,95).

Kaplan-Meier

Notes
Output Created 11-JUN-2003 16:19:25
Comments
Input Data D:\temp1.sav
Filter <none>
Weight weighting (for time-dependent censor adjustment)
Split File <none>
N of Rows in Working Data File 153630
Syntax KM
time by yearplac/STATUS=reint(1)
/strata = patageg2
/plot=survival
/PRINT MEAN
/PERCENTILES = (25,35,40,45,50,55,60,65,70,75,80,85,90,95).
Resources Elapsed Time 0:00:24.24




 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2620.59                1.20     (  2618.23,   2622.94 )
 (Limited to   4016.0 )
 Median:    3275.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3275.00      2598.00      2175.00      1829.00      1388.00
 Standard Error        .            .            .            .            .           4.53         3.09         2.99         2.60

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1106.00       794.00       583.00       392.00       189.00
 Standard Error       1.95         1.57         1.08          .86          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2430.79                1.02     (  2428.79,   2432.79 )
 (Limited to   3647.0 )
 Median:    3044.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3044.00      2478.00      2108.00      1797.00      1442.00
 Standard Error        .            .            .            .            .           3.72         2.62         2.45         2.51

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1072.00       815.00       588.00       413.00       236.00
 Standard Error       2.04         1.42         1.04          .74          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2215.08                1.04     (  2213.03,   2217.12 )
 (Limited to   3283.0 )
 Median:    2954.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2954.00      2331.00      1953.00      1596.00      1310.00
 Standard Error        .            .            .            .            .           4.57         3.21         2.71         2.10

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1057.00       791.00       522.00       362.00       189.00
 Standard Error       1.88         1.74         1.23          .79          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2081.63                 .89     (  2079.89,   2083.37 )
 (Limited to   2918.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2575.00      2223.00      1786.00      1387.00
 Standard Error        .            .            .            .            .            .           3.37         3.47         2.96

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1020.00       805.00       609.00       397.00       188.00
 Standard Error       2.14         1.40         1.17         1.00          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1878.64                 .82     (  1877.03,   1880.24 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        2188.00      1734.00      1344.00
 Standard Error        .            .            .            .            .            .            .           3.84         2.89

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1045.00       804.00       584.00       370.00       182.00
 Standard Error       2.13         1.61         1.34         1.02          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1697.99                 .65     (  1696.72,   1699.26 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1919.00      1604.00
 Standard Error        .            .            .            .            .            .            .            .           3.17

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1162.00       803.00       565.00       381.00       173.00
 Standard Error       3.11         2.01         1.27          .98          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1429.55                 .55     (  1428.48,   1430.63 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1722.00      1274.00
 Standard Error        .            .            .            .            .            .            .            .           2.88

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1029.00       826.00       530.00       273.00       122.00
 Standard Error       1.78         1.73         1.71         1.05          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1220.48                 .40     (  1219.69,   1221.27 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1251.00       885.00       572.00       357.00       160.00
 Standard Error        .           2.51         1.69         1.07          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       961.00                 .27     (   960.47,    961.53 )
 (Limited to   1094.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         952.00       653.00       417.00       189.00
 Standard Error        .            .           1.76         1.26          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       656.14                 .17     (   655.79,    656.48 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .         609.00       311.00       152.00
 Standard Error        .            .            .           1.27          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       348.34                 .06     (   348.21,    348.47 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .            .         281.00
 Standard Error        .            .            .            .            .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2750.24                1.20     (  2747.88,   2752.60 )
 (Limited to   4016.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3328.00      2583.00      2023.00      1541.00
 Standard Error        .            .            .            .            .            .           5.26         4.03         2.92

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1219.00       929.00       668.00       419.00       211.00
 Standard Error       2.11         1.72         1.39         1.03          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2487.91                1.12     (  2485.72,   2490.11 )
 (Limited to   3649.0 )
 Median:    3305.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3305.00      2826.00      2283.00      1845.00      1432.00
 Standard Error        .            .            .            .            .           4.48         4.13         3.41         2.62

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1157.00       865.00       651.00       441.00       219.00
 Standard Error       2.03         1.65         1.24         1.02          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2247.53                 .97     (  2245.62,   2249.44 )
 (Limited to   3283.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2710.00      2129.00      1603.00      1297.00
 Standard Error        .            .            .            .            .            .           4.31         3.14         2.21

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              991.00       753.00       534.00       365.00       164.00
 Standard Error       1.83         1.37         1.06          .82          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2043.61                 .84     (  2041.97,   2045.25 )
 (Limited to   2918.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2524.00      2058.00      1656.00      1313.00
 Standard Error        .            .            .            .            .            .           3.43         2.87         2.44

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              975.00       741.00       527.00       322.00       171.00
 Standard Error       1.94         1.37         1.14          .79          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1866.17                 .71     (  1864.77,   1867.57 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        2030.00      1730.00      1302.00
 Standard Error        .            .            .            .            .            .            .           2.81         2.68

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1005.00       789.00       592.00       372.00       189.00
 Standard Error       1.74         1.29         1.15          .92          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1692.67                 .59     (  1691.52,   1693.82 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1756.00      1449.00
 Standard Error        .            .            .            .            .            .            .            .           2.40

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1121.00       886.00       651.00       392.00       186.00
 Standard Error       2.01         1.51         1.38         1.07          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1445.13                 .47     (  1444.21,   1446.05 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1476.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1099.00       760.00       510.00       294.00       145.00
 Standard Error       2.41         1.84         1.28          .81          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1162.03                 .40     (  1161.25,   1162.80 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1194.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              854.00       641.00       420.00       250.00       131.00
 Standard Error       1.99         1.41         1.13          .69          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       927.81                 .26     (   927.30,    928.32 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         727.00       476.00       290.00       153.00
 Standard Error        .            .           1.25          .76          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       654.93                 .14     (   654.64,    655.21 )
 (Limited to   730.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .         583.00       308.00       131.00
 Standard Error        .            .            .           1.03          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       343.89                 .06     (   343.76,    344.01 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .            .         175.00
 Standard Error        .            .            .            .            .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2495.72                1.21     (  2493.36,   2498.09 )
 (Limited to   4016.0 )
 Median:    2584.00                4.28     (  2575.62,   2592.38 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3290.00      2584.00      2260.00      1898.00      1531.00      1277.00
 Standard Error        .            .            .            .           4.28         2.81         2.91         2.32         1.99

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              978.00       727.00       550.00       353.00       196.00
 Standard Error       1.83         1.30          .99          .78          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2279.35                1.03     (  2277.34,   2281.37 )
 (Limited to   3650.0 )
 Median:    2588.00                3.96     (  2580.24,   2595.76 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3143.00      2588.00      2121.00      1732.00      1371.00      1109.00
 Standard Error        .            .            .            .           3.96         3.18         2.76         2.19         1.76

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              850.00       636.00       493.00       308.00       182.00
 Standard Error       1.45         1.02          .82          .64          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2112.84                1.03     (  2110.81,   2114.86 )
 (Limited to   3283.0 )
 Median:    2536.00                4.25     (  2527.66,   2544.34 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3035.00      2536.00      2062.00      1690.00      1338.00      1060.00
 Standard Error        .            .            .            .           4.25         3.60         2.98         2.55         1.70

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              889.00       637.00       474.00       310.00       171.00
 Standard Error       1.48         1.35          .94          .71          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1981.17                 .88     (  1979.45,   1982.90 )
 (Limited to   2918.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2326.00      1843.00      1471.00      1106.00
 Standard Error        .            .            .            .            .            .           3.39         2.78         2.47

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              790.00       561.00       403.00       260.00       152.00
 Standard Error       1.86         1.18          .82          .58          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1771.45                 .77     (  1769.93,   1772.97 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2166.00      1664.00      1341.00      1070.00
 Standard Error        .            .            .            .            .            .           3.46         2.35         1.94

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              824.00       609.00       442.00       289.00       181.00
 Standard Error       1.63         1.24          .91          .62          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1598.58                 .66     (  1597.28,   1599.89 )
 (Limited to   2189.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1792.00      1454.00      1106.00
 Standard Error        .            .            .            .            .            .            .           2.91         2.36

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              856.00       630.00       469.00       331.00       168.00
 Standard Error       1.76         1.30          .87          .75          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1397.03                 .53     (  1395.99,   1398.06 )
 (Limited to   1823.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1505.00      1223.00
 Standard Error        .            .            .            .            .            .            .            .           2.44

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              882.00       644.00       494.00       322.00       127.00
 Standard Error       2.14         1.31          .94          .91          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1188.90                 .38     (  1188.17,   1189.64 )
 (Limited to   1456.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1017.00       744.00       498.00       315.00       159.00
 Standard Error        .           1.69         1.23          .83          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       900.92                 .30     (   900.34,    901.50 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              779.00       589.00       443.00       277.00       139.00
 Standard Error        .           1.20          .96          .81          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       643.52                 .16     (   643.20,    643.84 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         692.00       497.00       272.00       140.00
 Standard Error        .            .           1.22          .89          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       337.87                 .07     (   337.73,    338.02 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         231.00       149.00
 Standard Error        .            .            .            .            .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2395.79                1.40     (  2393.05,   2398.53 )
 (Limited to   4015.0 )
 Median:    2485.00                4.13     (  2476.91,   2493.09 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3545.00      2942.00      2485.00      2058.00      1661.00      1296.00      1077.00
 Standard Error        .            .            .           5.09         4.13         3.82         3.37         2.53         1.70

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              875.00       670.00       519.00       359.00       189.00
 Standard Error       1.58         1.26          .97          .85          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2177.71                1.24     (  2175.28,   2180.14 )
 (Limited to   3651.0 )
 Median:    2252.00                3.22     (  2245.69,   2258.31 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3174.00      2519.00      2252.00      1847.00      1533.00      1307.00      1071.00
 Standard Error        .            .            .           4.34         3.22         3.25         2.44         2.10         1.99

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              826.00       655.00       462.00       355.00       188.00
 Standard Error       1.61         1.26          .91          .69          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2053.49                1.07     (  2051.40,   2055.59 )
 (Limited to   3283.0 )
 Median:    2238.00                4.25     (  2229.67,   2246.33 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2849.00      2238.00      1897.00      1526.00      1289.00      1096.00
 Standard Error        .            .            .            .           4.25         3.15         2.56         1.70         1.84

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              818.00       614.00       436.00       267.00       128.00
 Standard Error       1.75         1.27         1.02          .76          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1841.32                1.00     (  1839.37,   1843.28 )
 (Limited to   2918.0 )
 Median:    2066.00                4.14     (  2057.89,   2074.11 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2629.00      2066.00      1739.00      1358.00      1147.00       921.00
 Standard Error        .            .            .            .           4.14         3.24         2.60         1.87         1.66

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              746.00       566.00       405.00       259.00       125.00
 Standard Error       1.39         1.19          .98          .73          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1679.28                 .84     (  1677.63,   1680.93 )
 (Limited to   2554.0 )
 Median:    2205.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2205.00      1701.00      1350.00      1086.00       904.00
 Standard Error        .            .            .            .            .           3.79         2.66         1.84         1.52

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              704.00       546.00       390.00       238.00       138.00
 Standard Error       1.28         1.08          .91          .64          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1524.72                 .68     (  1523.38,   1526.06 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1875.00      1518.00      1159.00       898.00
 Standard Error        .            .            .            .            .            .           3.03         2.53         1.80

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              693.00       551.00       371.00       238.00       151.00
 Standard Error       1.28         1.07          .92          .53          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1344.20                 .50     (  1343.22,   1345.18 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1493.00      1190.00       959.00
 Standard Error        .            .            .            .            .            .            .           2.03         1.56

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              757.00       588.00       428.00       259.00       150.00
 Standard Error       1.26         1.02          .91          .64          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1109.14                 .38     (  1108.38,   1109.89 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1098.00       872.00
 Standard Error        .            .            .            .            .            .            .            .           1.45

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              693.00       539.00       383.00       253.00       121.00
 Standard Error       1.11          .95          .80          .60          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       891.62                 .26     (   891.11,    892.12 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .         972.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              726.00       577.00       408.00       252.00       148.00
 Standard Error       1.30          .97          .87          .59          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       630.69                 .16     (   630.38,    630.99 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         572.00       382.00       237.00       137.00
 Standard Error        .            .            .93          .57          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       344.06                 .06     (   343.93,    344.18 )
 (Limited to   364.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         312.00       182.00
 Standard Error        .            .            .            .            .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2125.71                1.59     (  2122.60,   2128.83 )
 (Limited to   4016.0 )
 Median:    1769.00                3.80     (  1761.55,   1776.45 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3542.00      2769.00      2167.00      1769.00      1412.00      1142.00       931.00       764.00
 Standard Error        .            .           7.15         5.24         3.80         3.19         2.32         1.76         1.49

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              589.00       472.00       368.00       258.00       168.00
 Standard Error       1.22          .83          .72          .54          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2030.66                1.46     (  2027.81,   2033.51 )
 (Limited to   3646.0 )
 Median:    1884.00                4.17     (  1875.83,   1892.17 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2876.00      2317.00      1884.00      1521.00      1231.00       938.00       735.00
 Standard Error        .            .            .           5.18         4.17         3.32         2.79         2.40         1.57

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              590.00       483.00       369.00       238.00       168.00
 Standard Error       1.07          .86          .83          .58          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1850.94                1.27     (  1848.46,   1853.42 )
 (Limited to   3281.0 )
 Median:    1681.00                3.26     (  1674.62,   1687.38 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3084.00      2548.00      2044.00      1681.00      1414.00      1146.00       944.00       819.00
 Standard Error        .            .           5.41         4.50         3.26         2.73         2.35         1.59         1.36

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              649.00       493.00       364.00       242.00       145.00
 Standard Error       1.40         1.11          .87          .62          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1717.49                1.09     (  1715.35,   1719.62 )
 (Limited to   2919.0 )
 Median:    1700.00                3.26     (  1693.61,   1706.39 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2527.00      2083.00      1700.00      1430.00      1130.00       979.00       796.00
 Standard Error        .            .            .           4.20         3.26         2.85         2.20         1.56         1.56

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              630.00       469.00       360.00       232.00       154.00
 Standard Error       1.35         1.01          .79          .60          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1545.35                 .92     (  1543.54,   1547.15 )
 (Limited to   2554.0 )
 Median:    1672.00                3.08     (  1665.97,   1678.03 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2415.00      1990.00      1672.00      1353.00      1056.00       852.00       710.00
 Standard Error        .            .            .           3.68         3.08         2.94         2.31         1.56         1.24

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              560.00       441.00       355.00       205.00       103.00
 Standard Error       1.06          .77          .77          .69          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1479.16                 .75     (  1477.70,   1480.62 )
 (Limited to   2188.0 )
 Median:    2013.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2013.00      1629.00      1323.00      1059.00       829.00
 Standard Error        .            .            .            .            .           3.30         2.55         2.17         1.61

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              680.00       523.00       387.00       219.00       126.00
 Standard Error       1.22         1.07          .94          .69          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1239.08                 .66     (  1237.78,   1240.38 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1379.00      1134.00       929.00       708.00
 Standard Error        .            .            .            .            .            .           2.19         1.95         1.75

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              530.00       385.00       273.00       188.00       110.00
 Standard Error       1.35          .98          .67          .47          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1054.47                 .47     (  1053.56,   1055.39 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1359.00      1140.00       891.00       719.00
 Standard Error        .            .            .            .            .            .           2.07         1.82         1.37

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              563.00       440.00       329.00       199.00       116.00
 Standard Error       1.11          .84          .74          .58          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       851.65                 .32     (   851.03,    852.27 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1069.00       733.00
 Standard Error        .            .            .            .            .            .            .            .           1.82

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              571.00       409.00       313.00       195.00       123.00
 Standard Error       1.20          .89          .66          .49          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       613.28                 .19     (   612.91,    613.66 )
 (Limited to   726.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              616.00       452.00       319.00       194.00       116.00
 Standard Error        .           1.03          .79          .54          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       332.53                 .09     (   332.37,    332.70 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .         299.00       203.00       134.00
 Standard Error        .            .            .            .56          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2000.92                2.22     (  1996.57,   2005.28 )
 (Limited to   4016.0 )
 Median:    1519.00                4.22     (  1510.73,   1527.27 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2979.00      2295.00      1808.00      1519.00      1176.00       980.00       882.00       703.00
 Standard Error        .            .           8.42         5.51         4.22         3.69         2.29         1.82         1.88

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              574.00       460.00       338.00       212.00       153.00
 Standard Error       1.37         1.19         1.12          .70          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1882.63                1.82     (  1879.06,   1886.20 )
 (Limited to   3640.0 )
 Median:    1638.00                4.05     (  1630.06,   1645.94 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2676.00      2204.00      1893.00      1638.00      1289.00      1068.00       864.00       714.00
 Standard Error        .            .           5.23         3.87         4.05         3.44         2.65         2.08         1.69

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              573.00       436.00       348.00       220.00       153.00
 Standard Error       1.49         1.11          .94          .70          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1695.86                1.64     (  1692.65,   1699.08 )
 (Limited to   3283.0 )
 Median:    1384.00                3.62     (  1376.90,   1391.10 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2483.00      1980.00      1685.00      1384.00      1135.00       934.00       749.00       630.00
 Standard Error        .            .           5.38         4.03         3.62         2.88         2.30         1.74         1.32

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              517.00       385.00       279.00       199.00       145.00
 Standard Error       1.30         1.14          .78          .50          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1671.30                1.40     (  1668.57,   1674.04 )
 (Limited to   2912.0 )
 Median:    1563.00                4.08     (  1555.00,   1571.00 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2692.00      1964.00      1563.00      1330.00      1084.00       865.00       672.00
 Standard Error        .            .            .           7.02         4.08         2.98         2.74         2.36         1.74

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              541.00       394.00       261.00       182.00       103.00
 Standard Error       1.41         1.28          .86          .56          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1548.46                1.14     (  1546.23,   1550.69 )
 (Limited to   2554.0 )
 Median:    1654.00                4.32     (  1645.54,   1662.46 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2484.00      2015.00      1654.00      1295.00      1084.00       880.00       719.00
 Standard Error        .            .            .           4.93         4.32         3.52         2.40         1.97         1.54

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              587.00       442.00       319.00       194.00       112.00
 Standard Error       1.37         1.20          .97          .66          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1414.78                 .87     (  1413.07,   1416.48 )
 (Limited to   2190.0 )
 Median:    1665.00                4.09     (  1656.99,   1673.01 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2140.00      1665.00      1346.00      1134.00       959.00       791.00
 Standard Error        .            .            .            .           4.09         2.85         2.02         1.75         1.79

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              585.00       420.00       326.00       194.00       127.00
 Standard Error       1.65         1.04          .81          .61          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1213.46                 .70     (  1212.09,   1214.82 )
 (Limited to   1820.0 )
 Median:    1619.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        1619.00      1320.00      1050.00       805.00       637.00
 Standard Error        .            .            .            .            .           3.01         2.59         2.01         1.40

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              504.00       379.00       263.00       187.00       105.00
 Standard Error       1.12          .96          .68          .49          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1040.63                 .49     (  1039.67,   1041.60 )
 (Limited to   1456.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1324.00      1086.00       887.00       730.00
 Standard Error        .            .            .            .            .            .           2.03         1.68         1.47

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              546.00       391.00       249.00       191.00       111.00
 Standard Error       1.38         1.10          .66          .39          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       847.40                 .34     (   846.73,    848.07 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .         910.00       696.00
 Standard Error        .            .            .            .            .            .            .            .           1.43

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              573.00       443.00       363.00       203.00       103.00
 Standard Error       1.05          .81          .80          .73          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       606.48                 .22     (   606.05,    606.91 )
 (Limited to   726.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .         688.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              569.00       434.00       307.00       196.00       123.00
 Standard Error       1.14         1.05          .83          .55          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       333.29                 .09     (   333.12,    333.45 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         195.00        98.00
 Standard Error        .            .            .            .            .



 Survival Analysis for TIME     Time to reintervention

                                  Total     Number      Number       Percent
                                            Events     Censored     Censored

PATAGEG2       18 to 29          ******     ******      ******         70.04
  YEARPLAC        1991.00        ******     792000      ******         58.73
  YEARPLAC        1992.00        ******     848000      ******         57.94
  YEARPLAC        1993.00        ******     639000      988000         60.73
  YEARPLAC        1994.00        ******     595000      ******         63.83
  YEARPLAC        1995.00        ******     478000      927000         65.98
  YEARPLAC        1996.00        ******     441000      ******         70.10
  YEARPLAC        1997.00        ******     399000      966000         70.77
  YEARPLAC        1998.00        ******     291000      ******         78.14
  YEARPLAC        1999.00        ******     215000      ******         82.70
  YEARPLAC        2000.00        ******     150000      992000         86.87
  YEARPLAC        2001.00        ******      49000      ******         95.84

PATAGEG2       30 to 39          ******     ******      ******         69.77
  YEARPLAC        1991.00        ******     699000      ******         61.15
  YEARPLAC        1992.00        ******     680000      952000         58.33
  YEARPLAC        1993.00        ******     726000      ******         60.09
  YEARPLAC        1994.00        ******     721000      ******         59.97
  YEARPLAC        1995.00        ******     649000      ******         62.49
  YEARPLAC        1996.00        ******     542000      ******         68.29
  YEARPLAC        1997.00        ******     517000      ******         71.23
  YEARPLAC        1998.00        ******     440000      ******         71.83
  YEARPLAC        1999.00        ******     339000      ******         78.81
  YEARPLAC        2000.00        ******     243000      ******         86.03
  YEARPLAC        2001.00        ******      82000      ******         94.39

PATAGEG2       40 to 49          ******     ******      ******         65.35
  YEARPLAC        1991.00        ******     854000      969000         53.15
  YEARPLAC        1992.00        ******     980000      ******         52.38
  YEARPLAC        1993.00        ******     745000      828000         52.64
  YEARPLAC        1994.00        ******     719000      ******         58.32
  YEARPLAC        1995.00        ******     662000      944000         58.78
  YEARPLAC        1996.00        ******     556000      922000         62.38
  YEARPLAC        1997.00        ******     499000      992000         66.53
  YEARPLAC        1998.00        ******     415000      ******         73.48
  YEARPLAC        1999.00        ******     338000      997000         74.68
  YEARPLAC        2000.00        ******     234000      ******         84.14
  YEARPLAC        2001.00        ******     105000      ******         92.99

PATAGEG2       50 to 59          ******     ******      ******         63.62
  YEARPLAC        1991.00        ******     679000      660000         49.29
  YEARPLAC        1992.00        ******     709000      681000         48.99
  YEARPLAC        1993.00        ******     730000      755000         50.84
  YEARPLAC        1994.00        ******     657000      664000         50.26
  YEARPLAC        1995.00        ******     642000      775000         54.69
  YEARPLAC        1996.00        ******     623000      844000         57.53
  YEARPLAC        1997.00        ******     646000      ******         62.38
  YEARPLAC        1998.00        ******     610000      ******         64.62
  YEARPLAC        1999.00        ******     485000      ******         72.71
  YEARPLAC        2000.00        ******     322000      ******         81.17
  YEARPLAC        2001.00        ******      93000      ******         94.47

PATAGEG2       60 to 69          ******     ******      ******         58.58
  YEARPLAC        1991.00        ******     621000      523000         45.72
  YEARPLAC        1992.00        ******     577000      527000         47.74
  YEARPLAC        1993.00        ******     600000      488000         44.85
  YEARPLAC        1994.00        ******     610000      506000         45.34
  YEARPLAC        1995.00        ******     636000      565000         47.04
  YEARPLAC        1996.00        ******     562000      690000         55.11
  YEARPLAC        1997.00        ******     493000      604000         55.06
  YEARPLAC        1998.00        ******     513000      747000         59.29
  YEARPLAC        1999.00        ******     439000      914000         67.55
  YEARPLAC        2000.00        ******     291000      ******         77.84
  YEARPLAC        2001.00        ******     110000      ******         91.10



PATAGEG2       70 or older       ******     ******      ******         60.70
  YEARPLAC        1991.00        617000     330000      287000         46.52
  YEARPLAC        1992.00        676000     376000      300000         44.38
  YEARPLAC        1993.00        715000     386000      329000         46.01
  YEARPLAC        1994.00        753000     387000      366000         48.61
  YEARPLAC        1995.00        828000     407000      421000         50.85
  YEARPLAC        1996.00        971000     452000      519000         53.45
  YEARPLAC        1997.00        ******     461000      550000         54.40
  YEARPLAC        1998.00        ******     478000      695000         59.25
  YEARPLAC        1999.00        ******     379000      758000         66.67
  YEARPLAC        2000.00        ******     239000      777000         76.48
  YEARPLAC        2001.00        ******     108000      ******         91.62

Overall                        93002000   32293000    60709000         65.28



Survival; patageg2: 18 to 29

Survival; patageg2: 30 to 39

Survival; patageg2: 40 to 49

Survival; patageg2: 50 to 59

Survival; patageg2: 60 to 69

Survival; patageg2: 70 or older

>Warning # 3211
>On at least one case, the value of the weight variable was zero, negative,
>or missing.  Such cases are invisible to statistical procedures and graphs
>which need positively weighted cases, but remain on the file and are
>processed by non-statistical facilities such as LIST and SAVE.


Temporary.

* Amalgam on molars.

Select if (toothtyp=3 and range(maintrt,1401,1404)).

KM
  time  by  yearplac/STATUS=reint(1)
    /strata = patageg2
    /plot=survival
    /PRINT MEAN
    /PERCENTILES = (25,35,40,45,50,55,60,65,70,75,80,85,90,95).

Kaplan-Meier

Notes
Output Created 11-JUN-2003 16:19:50
Comments
Input Data D:\temp1.sav
Filter <none>
Weight weighting (for time-dependent censor adjustment)
Split File <none>
N of Rows in Working Data File 344901
Syntax KM
time by yearplac/STATUS=reint(1)
/strata = patageg2
/plot=survival
/PRINT MEAN
/PERCENTILES = (25,35,40,45,50,55,60,65,70,75,80,85,90,95).
Resources Elapsed Time 1:45:53.40




 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2835.60                 .55     (  2834.53,   2836.67 )
 (Limited to   4017.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3411.00      2776.00      2254.00      1805.00
 Standard Error        .            .            .            .            .            .           2.26         1.81         1.46

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1421.00      1115.00       839.00       581.00       323.00
 Standard Error       1.13          .86          .69          .55          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2627.22                 .49     (  2626.27,   2628.17 )
 (Limited to   3651.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3259.00      2678.00      2205.00      1783.00
 Standard Error        .            .            .            .            .            .           2.07         1.68         1.38

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1418.00      1125.00       830.00       572.00       309.00
 Standard Error       1.07          .87          .72          .55          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2436.69                 .45     (  2435.80,   2437.57 )
 (Limited to   3283.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        2779.00      2268.00      1839.00
 Standard Error        .            .            .            .            .            .            .           1.87         1.65

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1385.00      1069.00       790.00       542.00       297.00
 Standard Error       1.34          .93          .72          .56          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2230.73                 .41     (  2229.92,   2231.54 )
 (Limited to   2918.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        2813.00      2292.00      1802.00
 Standard Error        .            .            .            .            .            .            .           2.14         1.71

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1432.00      1090.00       778.00       519.00       272.00
 Standard Error       1.31         1.09          .83          .60          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2017.62                 .36     (  2016.91,   2018.33 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        2307.00      1855.00
 Standard Error        .            .            .            .            .            .            .            .           1.73

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1485.00      1106.00       799.00       538.00       266.00
 Standard Error       1.45         1.20          .88          .67          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1794.99                 .29     (  1794.41,   1795.57 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1916.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1469.00      1135.00       865.00       576.00       272.00
 Standard Error       1.55         1.09          .87          .75          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1556.06                 .24     (  1555.58,   1556.53 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1617.00      1213.00       904.00       605.00       311.00
 Standard Error        .           1.38         1.03          .82          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1277.26                 .18     (  1276.90,   1277.62 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .        1163.00       864.00       570.00       288.00
 Standard Error        .            .           1.04          .82          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       998.48                 .12     (   998.25,    998.72 )
 (Limited to   1094.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .         930.00       603.00       316.00
 Standard Error        .            .            .            .89          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       683.94                 .07     (   683.80,    684.08 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         661.00       279.00
 Standard Error        .            .            .            .            .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       353.23                 .03     (   353.18,    353.29 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .            .         330.00
 Standard Error        .            .            .            .            .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2693.77                 .67     (  2692.47,   2695.08 )
 (Limited to   4016.0 )
 Median:    3496.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3496.00      2928.00      2418.00      1951.00      1535.00
 Standard Error        .            .            .            .            .           2.52         2.20         1.91         1.57

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1182.00       883.00       637.00       407.00       221.00
 Standard Error       1.24          .95          .73          .52          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2570.95                 .61     (  2569.75,   2572.15 )
 (Limited to   3651.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3195.00      2619.00      2066.00      1640.00
 Standard Error        .            .            .            .            .            .           2.65         2.18         1.70

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1259.00       917.00       644.00       427.00       211.00
 Standard Error       1.42         1.10          .77          .56          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2310.67                 .51     (  2309.68,   2311.66 )
 (Limited to   3285.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2848.00      2330.00      1876.00      1496.00
 Standard Error        .            .            .            .            .            .           2.09         1.72         1.45

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1132.00       834.00       608.00       391.00       189.00
 Standard Error       1.20          .87          .65          .50          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2151.23                 .45     (  2150.35,   2152.10 )
 (Limited to   2918.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        2546.00      1968.00      1564.00
 Standard Error        .            .            .            .            .            .            .           2.09         1.50

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1219.00       909.00       618.00       397.00       191.00
 Standard Error       1.23         1.02          .77          .53          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1937.71                 .39     (  1936.96,   1938.47 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        2415.00      1953.00      1594.00
 Standard Error        .            .            .            .            .            .            .           1.81         1.49

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1238.00       916.00       649.00       413.00       204.00
 Standard Error       1.31         1.04          .78          .57          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1717.61                 .33     (  1716.97,   1718.26 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1993.00      1572.00
 Standard Error        .            .            .            .            .            .            .            .           1.66

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1213.00       916.00       644.00       412.00       188.00
 Standard Error       1.30         1.03          .81          .60          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1485.44                 .26     (  1484.94,   1485.94 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1598.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1227.00       936.00       669.00       413.00       203.00
 Standard Error       1.31         1.01          .83          .60          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1219.58                 .20     (  1219.18,   1219.98 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1187.00       901.00       616.00       367.00       182.00
 Standard Error        .           1.07          .88          .59          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       954.91                 .14     (   954.64,    955.19 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         902.00       623.00       412.00       194.00
 Standard Error        .            .            .84          .61          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       668.10                 .08     (   667.95,    668.26 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         431.00       215.00
 Standard Error        .            .            .            .            .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       344.01                 .04     (   343.94,    344.09 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .            .         175.00
 Standard Error        .            .            .            .            .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2576.51                 .81     (  2574.91,   2578.11 )
 (Limited to   4016.0 )
 Median:    3079.00                3.24     (  3072.64,   3085.36 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3700.00      3079.00      2554.00      2069.00      1656.00      1349.00
 Standard Error        .            .            .            .           3.24         2.80         2.40         1.84         1.53

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1035.00       761.00       571.00       372.00       187.00
 Standard Error       1.34          .96          .72          .58          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2418.19                 .70     (  2416.81,   2419.57 )
 (Limited to   3651.0 )
 Median:    3091.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3091.00      2598.00      2070.00      1644.00      1294.00
 Standard Error        .            .            .            .            .           2.72         2.45         1.91         1.47

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1016.00       775.00       571.00       375.00       182.00
 Standard Error       1.14          .89          .70          .55          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2236.12                 .67     (  2234.80,   2237.43 )
 (Limited to   3283.0 )
 Median:    3214.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3214.00      2601.00      2071.00      1641.00      1268.00
 Standard Error        .            .            .            .            .           3.20         2.65         2.11         1.67

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              975.00       720.00       517.00       328.00       175.00
 Standard Error       1.28          .97          .74          .53          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2047.26                 .59     (  2046.11,   2048.40 )
 (Limited to   2918.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2628.00      2042.00      1598.00      1277.00
 Standard Error        .            .            .            .            .            .           2.83         2.02         1.60

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              962.00       731.00       546.00       341.00       178.00
 Standard Error       1.31          .90          .74          .58          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1821.71                 .51     (  1820.70,   1822.71 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2431.00      1959.00      1544.00      1205.00
 Standard Error        .            .            .            .            .            .           2.44         2.01         1.64

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              899.00       658.00       454.00       290.00       154.00
 Standard Error       1.30          .96          .71          .48          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1641.00                 .43     (  1640.14,   1641.85 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        2093.00      1632.00      1252.00
 Standard Error        .            .            .            .            .            .            .           2.31         1.74

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              971.00       680.00       496.00       327.00       170.00
 Standard Error       1.41         1.06          .70          .53          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1416.34                 .36     (  1415.65,   1417.04 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1647.00      1256.00
 Standard Error        .            .            .            .            .            .            .            .           1.85

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              953.00       700.00       489.00       298.00       154.00
 Standard Error       1.40         1.07          .81          .56          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1193.69                 .25     (  1193.19,   1194.19 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1362.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1023.00       777.00       516.00       343.00       156.00
 Standard Error       1.43         1.13          .85          .59          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       925.61                 .19     (   925.23,    925.98 )
 (Limited to   1095.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              973.00       711.00       506.00       301.00       144.00
 Standard Error        .           1.11          .86          .64          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       649.08                 .11     (   648.86,    649.30 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .         503.00       310.00       155.00
 Standard Error        .            .            .            .61          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       343.29                 .05     (   343.20,    343.38 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .            .         169.00
 Standard Error        .            .            .            .            .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2544.67                1.16     (  2542.41,   2546.94 )
 (Limited to   4016.0 )
 Median:    3005.00                5.08     (  2995.04,   3014.96 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3787.00      3005.00      2488.00      1963.00      1542.00      1240.00
 Standard Error        .            .            .            .           5.08         4.02         3.50         2.58         2.00

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              954.00       720.00       505.00       341.00       180.00
 Standard Error       1.65         1.29          .96          .69          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2332.08                1.01     (  2330.11,   2334.05 )
 (Limited to   3651.0 )
 Median:    2831.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2831.00      2325.00      1838.00      1421.00      1123.00
 Standard Error        .            .            .            .            .           3.64         3.20         2.44         1.75

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              885.00       685.00       498.00       319.00       172.00
 Standard Error       1.35         1.07          .90          .67          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2176.10                 .83     (  2174.48,   2177.72 )
 (Limited to   3283.0 )
 Median:    2801.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2801.00      2227.00      1890.00      1500.00      1246.00
 Standard Error        .            .            .            .            .           3.16         2.44         2.09         1.71

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              947.00       695.00       521.00       336.00       174.00
 Standard Error       1.58         1.11          .83          .67          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1989.23                 .78     (  1987.71,   1990.76 )
 (Limited to   2918.0 )
 Median:    2873.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2873.00      2338.00      1885.00      1458.00      1163.00
 Standard Error        .            .            .            .            .           3.52         3.13         2.46         1.95

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              858.00       648.00       439.00       281.00       144.00
 Standard Error       1.55         1.17          .90          .61          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1818.46                 .68     (  1817.14,   1819.79 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2385.00      1918.00      1514.00      1155.00
 Standard Error        .            .            .            .            .            .           3.19         2.67         1.99

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              926.00       704.00       476.00       278.00       155.00
 Standard Error       1.42         1.30         1.08          .67          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1607.19                 .57     (  1606.07,   1608.30 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1940.00      1511.00      1135.00
 Standard Error        .            .            .            .            .            .            .           2.82         2.13

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              874.00       646.00       427.00       253.00       138.00
 Standard Error       1.56         1.28          .99          .61          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1402.41                 .43     (  1401.57,   1403.24 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1555.00      1183.00
 Standard Error        .            .            .            .            .            .            .            .           2.08

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              901.00       673.00       492.00       296.00       155.00
 Standard Error       1.52         1.13          .91          .67          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1159.75                 .34     (  1159.09,   1160.41 )
 (Limited to   1456.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1203.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              837.00       624.00       430.00       268.00       133.00
 Standard Error       1.77         1.14          .88          .61          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       917.57                 .22     (   917.13,    918.00 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              882.00       663.00       469.00       315.00       169.00
 Standard Error        .           1.15          .86          .63          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       641.81                 .13     (   641.55,    642.07 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         711.00       431.00       270.00       154.00
 Standard Error        .            .           1.01          .57          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       343.24                 .06     (   343.12,    343.35 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .            .         171.00
 Standard Error        .            .            .            .            .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2436.49                1.52     (  2433.50,   2439.47 )
 (Limited to   4015.0 )
 Median:    2658.00                5.51     (  2647.20,   2668.80 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3200.00      2658.00      2149.00      1688.00      1379.00      1106.00
 Standard Error        .            .            .            .           5.51         4.87         3.72         2.70         2.33

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              847.00       642.00       471.00       312.00       172.00
 Standard Error       1.89         1.44         1.09          .81          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2258.98                1.42     (  2256.20,   2261.76 )
 (Limited to   3651.0 )
 Median:    2419.00                6.31     (  2406.63,   2431.37 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3217.00      2419.00      1991.00      1726.00      1338.00      1070.00
 Standard Error        .            .            .            .           6.31         3.58         3.28         3.14         2.37

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              819.00       622.00       468.00       304.00       159.00
 Standard Error       1.90         1.39         1.12          .87          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2068.02                1.27     (  2065.53,   2070.51 )
 (Limited to   3283.0 )
 Median:    2373.00                5.01     (  2363.17,   2382.83 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2882.00      2373.00      1939.00      1584.00      1323.00      1000.00
 Standard Error        .            .            .            .           5.01         4.05         3.08         2.84         2.52

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              772.00       600.00       403.00       278.00       138.00
 Standard Error       1.74         1.45         1.11          .77          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1895.35                1.05     (  1893.29,   1897.41 )
 (Limited to   2918.0 )
 Median:    2444.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2444.00      1954.00      1531.00      1224.00       952.00
 Standard Error        .            .            .            .            .           4.38         3.44         2.61         2.19

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              708.00       538.00       380.00       228.00       126.00
 Standard Error       1.64         1.20         1.00          .70          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1766.94                 .93     (  1765.12,   1768.76 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2210.00      1712.00      1331.00      1063.00
 Standard Error        .            .            .            .            .            .           4.24         3.04         2.33

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              815.00       602.00       427.00       286.00       158.00
 Standard Error       1.95         1.49         1.08          .76          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1574.45                 .80     (  1572.89,   1576.02 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2162.00      1703.00      1345.00      1079.00
 Standard Error        .            .            .            .            .            .           4.02         2.98         2.34

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              839.00       600.00       442.00       240.00        86.00
 Standard Error       2.08         1.58         1.28         1.04          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1380.67                 .64     (  1379.41,   1381.93 )
 (Limited to   1823.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1751.00      1405.00      1146.00
 Standard Error        .            .            .            .            .            .            .           3.00         2.89

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              803.00       631.00       462.00       312.00       187.00
 Standard Error       2.35         1.39         1.16          .84          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1131.76                 .49     (  1130.81,   1132.71 )
 (Limited to   1456.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1253.00       995.00
 Standard Error        .            .            .            .            .            .            .            .           2.11

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              790.00       595.00       406.00       229.00       117.00
 Standard Error       1.71         1.54         1.30          .85          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       896.51                 .34     (   895.85,    897.17 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        1013.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              759.00       565.00       408.00       269.00       134.00
 Standard Error       1.93         1.41         1.06          .82          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       627.01                 .21     (   626.60,    627.41 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         556.00       369.00       209.00       122.00
 Standard Error        .            .           1.18          .74          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       335.30                 .09     (   335.12,    335.49 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         210.00       118.00
 Standard Error        .            .            .            .            .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2302.41                2.74     (  2297.05,   2307.77 )
 (Limited to   4014.0 )
 Median:    2053.00                8.51     (  2036.32,   2069.68 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2661.00      2053.00      1738.00      1388.00      1074.00       962.00
 Standard Error        .            .            .            .           8.51         5.76         5.32         3.94         2.57

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              740.00       583.00       413.00       289.00       158.00
 Standard Error       2.64         2.08         1.76         1.19          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2227.06                2.36     (  2222.44,   2231.68 )
 (Limited to   3650.0 )
 Median:    2571.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2571.00      1834.00      1372.00      1144.00       957.00
 Standard Error        .            .            .            .            .           9.72         5.59         3.17         2.74

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              747.00       546.00       371.00       227.00       168.00
 Standard Error       2.75         2.25         1.68          .89          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1991.90                1.94     (  1988.09,   1995.71 )
 (Limited to   3283.0 )
 Median:    2079.00                8.93     (  2061.50,   2096.50 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2818.00      2079.00      1692.00      1324.00      1077.00       869.00
 Standard Error        .            .            .            .           8.93         5.81         4.41         3.16         2.80

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              661.00       491.00       365.00       221.00       135.00
 Standard Error       2.33         1.62         1.36          .97          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1946.75                1.65     (  1943.51,   1949.98 )
 (Limited to   2918.0 )
 Median:    2666.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2666.00      2236.00      1723.00      1319.00      1069.00
 Standard Error        .            .            .            .            .           7.77         6.72         4.83         3.33

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              820.00       595.00       372.00       224.00       175.00
 Standard Error       2.97         2.55         1.80          .86          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1774.34                1.42     (  1771.55,   1777.13 )
 (Limited to   2554.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2193.00      1717.00      1316.00      1071.00
 Standard Error        .            .            .            .            .            .           6.57         4.64         3.64

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              787.00       616.00       413.00       301.00       169.00
 Standard Error       3.22         2.17         1.61         1.06          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1536.15                1.10     (  1533.99,   1538.31 )
 (Limited to   2188.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2036.00      1694.00      1263.00       912.00
 Standard Error        .            .            .            .            .            .           4.95         5.11         3.96

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              631.00       465.00       364.00       245.00       129.00
 Standard Error       2.51         1.37          .99          .92          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1337.91                 .90     (  1336.14,   1339.68 )
 (Limited to   1819.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1792.00      1583.00      1259.00       942.00
 Standard Error        .            .            .            .            .            .           3.37         4.26         3.36

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              738.00       553.00       400.00       235.00       162.00
 Standard Error       2.28         1.84         1.56         1.04          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1121.65                 .67     (  1120.34,   1122.96 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1262.00       962.00
 Standard Error        .            .            .            .            .            .            .            .           3.51

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              673.00       525.00       378.00       231.00       132.00
 Standard Error       2.46         1.54         1.31          .98          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       893.97                 .47     (   893.06,    894.88 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .         970.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              747.00       589.00       410.00       261.00       148.00
 Standard Error       2.41         1.86         1.60         1.06          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       613.64                 .31     (   613.02,    614.25 )
 (Limited to   729.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              642.00       439.00       307.00       184.00       105.00
 Standard Error        .           1.89         1.28          .82          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       338.54                 .11     (   338.32,    338.75 )
 (Limited to   360.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         296.00       184.00
 Standard Error        .            .            .            .            .



 Survival Analysis for TIME     Time to reintervention

                                  Total     Number      Number       Percent
                                            Events     Censored     Censored

PATAGEG2       18 to 29          ******     ******      ******         74.91
  YEARPLAC        1991.00        ******     ******      ******         64.54
  YEARPLAC        1992.00        ******     ******      ******         65.77
  YEARPLAC        1993.00        ******     ******      ******         67.41
  YEARPLAC        1994.00        ******     ******      ******         69.59
  YEARPLAC        1995.00        ******     ******      ******         72.13
  YEARPLAC        1996.00        ******     ******      ******         75.42
  YEARPLAC        1997.00        ******     ******      ******         79.22
  YEARPLAC        1998.00        ******     861000      ******         81.91
  YEARPLAC        1999.00        ******     595000      ******         87.26
  YEARPLAC        2000.00        ******     343000      ******         91.69
  YEARPLAC        2001.00        ******     113000      ******         97.23

PATAGEG2       30 to 39          ******     ******      ******         70.99
  YEARPLAC        1991.00        ******     ******      ******         57.84
  YEARPLAC        1992.00        ******     ******      ******         61.57
  YEARPLAC        1993.00        ******     ******      ******         61.03
  YEARPLAC        1994.00        ******     ******      ******         64.86
  YEARPLAC        1995.00        ******     ******      ******         66.55
  YEARPLAC        1996.00        ******     ******      ******         69.60
  YEARPLAC        1997.00        ******     ******      ******         73.48
  YEARPLAC        1998.00        ******     ******      ******         76.03
  YEARPLAC        1999.00        ******     847000      ******         81.52
  YEARPLAC        2000.00        ******     529000      ******         88.28
  YEARPLAC        2001.00        ******     217000      ******         94.54

PATAGEG2       40 to 49          ******     ******      ******         67.19
  YEARPLAC        1991.00        ******     ******      ******         54.04
  YEARPLAC        1992.00        ******     ******      ******         56.77
  YEARPLAC        1993.00        ******     ******      ******         57.68
  YEARPLAC        1994.00        ******     ******      ******         60.20
  YEARPLAC        1995.00        ******     ******      ******         60.86
  YEARPLAC        1996.00        ******     ******      ******         65.17
  YEARPLAC        1997.00        ******     ******      ******         68.10
  YEARPLAC        1998.00        ******     902000      ******         73.14
  YEARPLAC        1999.00        ******     673000      ******         77.30
  YEARPLAC        2000.00        ******     446000      ******         84.83
  YEARPLAC        2001.00        ******     163000      ******         94.53

PATAGEG2       50 to 59          ******     ******      ******         66.39
  YEARPLAC        1991.00        ******     918000      ******         54.24
  YEARPLAC        1992.00        ******     995000      ******         54.00
  YEARPLAC        1993.00        ******     ******      ******         54.90
  YEARPLAC        1994.00        ******     922000      ******         56.86
  YEARPLAC        1995.00        ******     806000      ******         60.45
  YEARPLAC        1996.00        ******     751000      ******         63.15
  YEARPLAC        1997.00        ******     745000      ******         66.56
  YEARPLAC        1998.00        ******     613000      ******         70.91
  YEARPLAC        1999.00        ******     516000      ******         75.89
  YEARPLAC        2000.00        ******     357000      ******         83.22
  YEARPLAC        2001.00        ******     102000      ******         94.50

PATAGEG2       60 to 69          ******     ******      ******         63.63
  YEARPLAC        1991.00        ******     567000      652000         53.49
  YEARPLAC        1992.00        ******     522000      597000         53.35
  YEARPLAC        1993.00        ******     518000      549000         51.45
  YEARPLAC        1994.00        ******     562000      654000         53.78
  YEARPLAC        1995.00        ******     471000      636000         57.45
  YEARPLAC        1996.00        ******     412000      634000         60.61
  YEARPLAC        1997.00        982000     350000      632000         64.36
  YEARPLAC        1998.00        ******     348000      685000         66.31
  YEARPLAC        1999.00        ******     274000      739000         72.95
  YEARPLAC        2000.00        ******     200000      835000         80.68
  YEARPLAC        2001.00        995000      79000      916000         92.06



PATAGEG2       70 or older       ******     ******      ******         65.86
  YEARPLAC        1991.00        412000     190000      222000         53.88
  YEARPLAC        1992.00        454000     196000      258000         56.83
  YEARPLAC        1993.00        513000     234000      279000         54.39
  YEARPLAC        1994.00        507000     212000      295000         58.19
  YEARPLAC        1995.00        486000     194000      292000         60.08
  YEARPLAC        1996.00        593000     233000      360000         60.71
  YEARPLAC        1997.00        526000     202000      324000         61.60
  YEARPLAC        1998.00        587000     191000      396000         67.46
  YEARPLAC        1999.00        544000     147000      397000         72.98
  YEARPLAC        2000.00        510000     113000      397000         77.84
  YEARPLAC        2001.00        571000      35000      536000         93.87

Overall                        ********   59833000    ********         70.46



Survival; patageg2: 18 to 29

Survival; patageg2: 30 to 39

Survival; patageg2: 40 to 49

Survival; patageg2: 50 to 59

Survival; patageg2: 60 to 69

Survival; patageg2: 70 or older

>Warning # 3211
>On at least one case, the value of the weight variable was zero, negative,
>or missing.  Such cases are invisible to statistical procedures and graphs
>which need positively weighted cases, but remain on the file and are
>processed by non-statistical facilities such as LIST and SAVE.


Temporary.

* Glass ionomer on molars.

Select if (toothtyp=3 and maintrt = 1426).

KM
  time  by  yearplac/STATUS=reint(1)
    /strata = patageg2
    /plot=survival
    /PRINT MEAN
    /PERCENTILES = (25,35,40,45,50,55,60,65,70,75,80,85,90,95).

Kaplan-Meier

Notes
Output Created 11-JUN-2003 18:05:44
Comments
Input Data D:\temp1.sav
Filter <none>
Weight weighting (for time-dependent censor adjustment)
Split File <none>
N of Rows in Working Data File 30265
Syntax KM
time by yearplac/STATUS=reint(1)
/strata = patageg2
/plot=survival
/PRINT MEAN
/PERCENTILES = (25,35,40,45,50,55,60,65,70,75,80,85,90,95).
Resources Elapsed Time 0:04:13.64




 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2365.79                3.29     (  2359.34,   2372.23 )
 (Limited to   4014.0 )
 Median:    2318.00                9.84     (  2298.72,   2337.28 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3271.00      2859.00      2318.00      1938.00      1664.00      1303.00      1121.00
 Standard Error        .            .            .          10.41         9.84         6.84         6.78         5.45         4.28

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              850.00       700.00       468.00       332.00       188.00
 Standard Error       3.73         3.16         2.89         1.69          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2155.71                2.68     (  2150.45,   2160.96 )
 (Limited to   3651.0 )
 Median:    2100.00                6.64     (  2086.99,   2113.01 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3206.00      2419.00      2100.00      1776.00      1541.00      1337.00      1097.00
 Standard Error        .            .            .          11.05         6.64         5.24         4.10         4.63         4.97

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              786.00       595.00       482.00       259.00       178.00
 Standard Error       4.21         2.31         2.15         1.61          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2030.85                2.21     (  2026.53,   2035.18 )
 (Limited to   3282.0 )
 Median:    2202.00                9.65     (  2183.08,   2220.92 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3163.00      2736.00      2202.00      1823.00      1358.00      1160.00       978.00
 Standard Error        .            .            .           8.22         9.65         7.42         6.08         3.21         2.31

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              876.00       659.00       511.00       314.00       175.00
 Standard Error       2.47         2.45         2.11         1.73          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1949.19                2.08     (  1945.11,   1953.26 )
 (Limited to   2917.0 )
 Median:    2450.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2450.00      2003.00      1559.00      1350.00      1183.00
 Standard Error        .            .            .            .            .           8.76         6.36         3.70         3.61

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              933.00       705.00       504.00       322.00       203.00
 Standard Error       3.93         3.55         2.57         1.68          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1656.79                1.81     (  1653.25,   1660.34 )
 (Limited to   2554.0 )
 Median:    1938.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        1938.00      1649.00      1399.00      1080.00       846.00
 Standard Error        .            .            .            .            .           5.14         5.45         4.69         4.25

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              606.00       495.00       393.00       319.00       182.00
 Standard Error       2.73         1.57         1.11         1.16          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1491.50                1.48     (  1488.60,   1494.41 )
 (Limited to   2190.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1673.00      1190.00      1035.00       802.00
 Standard Error        .            .            .            .            .            .           5.97         3.31         2.82

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              707.00       554.00       439.00       302.00       147.00
 Standard Error       1.96         1.85         1.73         1.69          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1401.61                1.23     (  1399.20,   1404.03 )
 (Limited to   1824.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1583.00      1176.00
 Standard Error        .            .            .            .            .            .            .            .           6.17

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              874.00       684.00       479.00       213.00        67.00
 Standard Error       4.22         2.86         3.10         2.27          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1143.45                 .96     (  1141.56,   1145.34 )
 (Limited to   1459.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        1256.00      1092.00
 Standard Error        .            .            .            .            .            .            .            .           4.19

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              810.00       600.00       461.00       308.00       182.00
 Standard Error       3.97         3.18         1.93         1.78          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       874.28                 .70     (   872.91,    875.65 )
 (Limited to   1091.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              644.00       501.00       365.00       216.00        62.00
 Standard Error        .           2.11         2.01         1.67          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       633.80                 .39     (   633.04,    634.57 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         539.00       457.00       249.00       161.00
 Standard Error        .            .           2.06         1.69          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       332.68                 .18     (   332.32,    333.03 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .         338.00       211.00       105.00
 Standard Error        .            .            .           1.38          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2310.46                3.30     (  2303.99,   2316.93 )
 (Limited to   4016.0 )
 Median:    2513.00                9.63     (  2494.12,   2531.88 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3704.00      3021.00      2802.00      2513.00      1944.00      1546.00      1364.00       999.00
 Standard Error        .            .           9.85         6.08         9.63        10.10         6.01         5.46         5.91

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              720.00       557.00       375.00       258.00       176.00
 Standard Error       4.02         2.80         2.11         1.19          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2115.49                3.10     (  2109.41,   2121.57 )
 (Limited to   3650.0 )
 Median:    2148.00                9.23     (  2129.90,   2166.10 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3430.00      3148.00      2543.00      2148.00      1804.00      1358.00      1039.00       826.00
 Standard Error        .            .           9.20        11.08         9.23         8.76         7.92         5.56         3.11

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              735.00       544.00       418.00       306.00       154.00
 Standard Error       2.61         2.64         1.75         1.78          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1890.29                2.43     (  1885.52,   1895.05 )
 (Limited to   3283.0 )
 Median:    1834.00                9.65     (  1815.09,   1852.91 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2425.00      1834.00      1392.00      1103.00       829.00       699.00
 Standard Error        .            .            .            .           9.65         6.80         5.11         3.52         2.27

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              539.00       423.00       347.00       194.00        91.00
 Standard Error       2.05         1.39         1.42         1.37          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1836.74                1.91     (  1833.00,   1840.49 )
 (Limited to   2915.0 )
 Median:    2341.00                7.67     (  2325.96,   2356.04 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2670.00      2341.00      1821.00      1433.00      1147.00       881.00
 Standard Error        .            .            .            .           7.67         7.65         5.50         4.34         3.94

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              614.00       444.00       297.00       174.00        83.00
 Standard Error       3.02         2.04         1.55         1.02          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1643.88                1.60     (  1640.74,   1647.02 )
 (Limited to   2552.0 )
 Median:    2042.00                4.92     (  2032.35,   2051.65 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2288.00      2042.00      1708.00      1322.00      1034.00       802.00
 Standard Error        .            .            .            .           4.92         5.99         5.47         3.98         3.18

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              609.00       483.00       303.00       191.00       101.00
 Standard Error       2.20         1.97         1.57          .95          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1357.72                1.33     (  1355.10,   1360.33 )
 (Limited to   2190.0 )
 Median:    1463.00                4.91     (  1453.39,   1472.61 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        1809.00      1463.00      1211.00      1049.00       849.00       702.00
 Standard Error        .            .            .            .           4.91         3.39         2.90         2.68         2.17

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              545.00       385.00       276.00       187.00       109.00
 Standard Error       2.11         1.72         1.04          .77          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1261.22                1.08     (  1259.10,   1263.33 )
 (Limited to   1820.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1515.00      1169.00       987.00       761.00
 Standard Error        .            .            .            .            .            .           4.40         3.24         2.51

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              641.00       509.00       319.00       157.00        68.00
 Standard Error       1.68         2.13         1.95         1.09          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1042.56                 .83     (  1040.94,   1044.17 )
 (Limited to   1456.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1350.00      1114.00       883.00       705.00
 Standard Error        .            .            .            .            .            .           3.79         3.02         2.37

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              555.00       412.00       269.00       168.00        79.00
 Standard Error       1.98         1.83         1.31          .88          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       809.94                 .59     (   808.78,    811.10 )
 (Limited to   1090.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1013.00       780.00       575.00
 Standard Error        .            .            .            .            .            .            .           3.20         2.38

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              434.00       347.00       217.00       175.00       104.00
 Standard Error       1.52         1.30          .92          .50          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       615.80                 .35     (   615.11,    616.50 )
 (Limited to   726.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              662.00       460.00       350.00       224.00        93.00
 Standard Error        .           2.03         1.38         1.24          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       320.99                 .19     (   320.63,    321.36 )
 (Limited to   362.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .         273.00       127.00        49.00
 Standard Error        .            .            .           1.15          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2160.05                3.24     (  2153.71,   2166.39 )
 (Limited to   4015.0 )
 Median:    1947.00                9.34     (  1928.69,   1965.31 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3262.00      2825.00      2371.00      1947.00      1642.00      1287.00      1083.00       868.00
 Standard Error        .            .           9.51         9.23         9.34         6.87         5.60         4.31         4.12

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              615.00       521.00       366.00       196.00       131.00
 Standard Error       3.36         2.03         2.27         1.42          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1853.13                2.45     (  1848.34,   1857.93 )
 (Limited to   3643.0 )
 Median:    1378.00                5.03     (  1368.14,   1387.86 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3143.00      2399.00      1701.00      1378.00      1104.00       917.00       767.00       628.00
 Standard Error        .            .          12.54         8.53         5.03         3.79         2.67         2.55         2.48

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              435.00       346.00       248.00       186.00       105.00
 Standard Error       1.96         1.25          .91          .70          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1720.43                2.26     (  1716.00,   1724.86 )
 (Limited to   3282.0 )
 Median:    1490.00                3.44     (  1483.26,   1496.74 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2532.00      2051.00      1695.00      1490.00      1322.00      1086.00       879.00       694.00
 Standard Error        .           8.84         7.69         5.07         3.44         3.66         3.88         3.23         2.66

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              569.00       407.00       288.00       189.00        85.00
 Standard Error       2.36         1.93         1.35         1.04          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1795.83                1.89     (  1792.13,   1799.54 )
 (Limited to   2918.0 )
 Median:    1882.00                5.80     (  1870.63,   1893.37 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2767.00      2238.00      1882.00      1596.00      1389.00      1142.00       933.00
 Standard Error        .            .            .           7.74         5.80         4.30         3.75         3.81         3.28

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              723.00       561.00       421.00       252.00       112.00
 Standard Error       2.87         2.00         1.81         1.51          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1562.50                1.74     (  1559.09,   1565.91 )
 (Limited to   2553.0 )
 Median:    1875.00                8.46     (  1858.42,   1891.58 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2376.00      1875.00      1359.00      1060.00       866.00       707.00
 Standard Error        .            .            .            .           8.46         7.04         4.19         2.87         2.39

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              570.00       386.00       263.00       163.00        85.00
 Standard Error       2.34         2.03         1.34          .89          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1359.34                1.40     (  1356.61,   1362.08 )
 (Limited to   2190.0 )
 Median:    1576.00                4.68     (  1566.83,   1585.17 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        1862.00      1576.00      1303.00       998.00       770.00       635.00
 Standard Error        .            .            .            .           4.68         4.77         4.12         2.88         2.06

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              495.00       378.00       270.00       194.00       105.00
 Standard Error       1.83         1.40         1.06          .80          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1180.95                1.22     (  1178.55,   1183.35 )
 (Limited to   1822.0 )
 Median:    1577.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        1577.00      1136.00       928.00       714.00       602.00
 Standard Error        .            .            .            .            .           5.75         3.47         2.68         1.80

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              489.00       364.00       250.00       167.00        84.00
 Standard Error       1.76         1.69         1.26          .81          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1008.29                 .87     (  1006.59,   1010.00 )
 (Limited to   1459.0 )
 Median:    1360.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        1360.00      1078.00       943.00       764.00       597.00
 Standard Error        .            .            .            .            .           3.24         2.72         2.70         2.15

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              483.00       370.00       279.00       194.00       107.00
 Standard Error       1.59         1.34         1.01          .83          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       751.15                 .67     (   749.83,    752.47 )
 (Limited to   1092.0 )
 Median:    1031.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        1031.00       865.00       746.00       614.00       469.00
 Standard Error        .            .            .            .            .           2.30         2.09         2.21         1.73

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              372.00       252.00       158.00        94.00        36.00
 Standard Error       1.48         1.38          .93          .59          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       584.25                 .38     (   583.52,    584.99 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .         599.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              474.00       346.00       217.00       154.00        63.00
 Standard Error       1.92         1.57         1.05          .72          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       319.93                 .18     (   319.58,    320.27 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         304.00       199.00       165.00        85.00
 Standard Error        .            .            .96          .67          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2133.16                3.95     (  2125.42,   2140.91 )
 (Limited to   4015.0 )
 Median:    1672.00                8.51     (  1655.31,   1688.69 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3162.00      2564.00      2166.00      1672.00      1493.00      1357.00      1190.00       882.00
 Standard Error        .            .          13.31        11.87         8.51         3.96         3.82         5.70         5.90

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              728.00       503.00       375.00       225.00        77.00
 Standard Error       4.18         3.38         2.72         1.99          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1893.72                2.91     (  1888.01,   1899.44 )
 (Limited to   3647.0 )
 Median:    1733.00                4.25     (  1724.67,   1741.33 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2697.00      2255.00      1950.00      1733.00      1582.00      1211.00       948.00       756.00
 Standard Error        .           7.77         8.34         5.34         4.25         5.89         6.49         4.40         3.90

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              570.00       427.00       320.00       214.00       100.00
 Standard Error       2.69         1.99         1.47         1.29          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1922.41                2.54     (  1917.44,   1927.39 )
 (Limited to   3283.0 )
 Median:    1894.00                9.29     (  1875.80,   1912.20 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2582.00      1894.00      1641.00      1303.00       982.00       690.00
 Standard Error        .            .            .            .           9.29         6.32         6.02         5.46         3.99

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              530.00       429.00       350.00       228.00       133.00
 Standard Error       2.21         1.33         1.33         1.21          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1741.11                2.22     (  1736.75,   1745.47 )
 (Limited to   2918.0 )
 Median:    1771.00                9.12     (  1753.13,   1788.87 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2365.00      1771.00      1434.00      1180.00       846.00       723.00
 Standard Error        .            .            .            .           9.12         5.84         5.71         3.92         2.34

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              573.00       429.00       265.00       190.00       119.00
 Standard Error       2.40         2.35         1.56          .82          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1509.64                1.96     (  1505.80,   1513.49 )
 (Limited to   2553.0 )
 Median:    1513.00                5.91     (  1501.41,   1524.59 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2376.00      1869.00      1513.00      1281.00       974.00       817.00       699.00
 Standard Error        .            .            .           8.75         5.91         5.29         4.57         2.40         2.50

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              554.00       419.00       275.00       173.00        89.00
 Standard Error       2.46         2.12         1.62         1.08          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1386.73                1.48     (  1383.83,   1389.62 )
 (Limited to   2190.0 )
 Median:    1666.00                6.62     (  1653.03,   1678.97 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        1994.00      1666.00      1331.00       959.00       871.00       727.00
 Standard Error        .            .            .            .           6.62         6.16         3.89         2.15         2.90

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              505.00       413.00       304.00       205.00       146.00
 Standard Error       2.37         1.47         1.23          .77          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1231.65                1.19     (  1229.33,   1233.98 )
 (Limited to   1823.0 )
 Median:    1675.00                3.53     (  1668.08,   1681.92 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        1757.00      1675.00      1405.00      1211.00       856.00       690.00
 Standard Error        .            .            .            .           3.53         4.20         4.57         4.20         2.42

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              553.00       383.00       247.00       183.00       101.00
 Standard Error       2.21         2.05         1.18          .87          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1024.33                 .90     (  1022.56,   1026.10 )
 (Limited to   1454.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1259.00      1071.00       859.00       629.00
 Standard Error        .            .            .            .            .            .           3.70         3.62         2.65

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              510.00       383.00       245.00       180.00        96.00
 Standard Error       1.75         1.73         1.22          .81          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       806.34                 .63     (   805.11,    807.57 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        1039.00       761.00       575.00
 Standard Error        .            .            .            .            .            .            .           3.08         2.46

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              449.00       328.00       203.00       171.00        63.00
 Standard Error       1.71         1.44          .92          .68          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       555.51                 .40     (   554.72,    556.30 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .         602.00       453.00
 Standard Error        .            .            .            .            .            .            .            .           1.65

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              367.00       232.00       180.00       110.00        42.00
 Standard Error       1.54         1.14          .68          .64          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       311.49                 .18     (   311.13,    311.85 )
 (Limited to   361.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         238.00       189.00       138.00        68.00
 Standard Error        .            .            .71          .61          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2173.64                3.96     (  2165.89,   2181.40 )
 (Limited to   4002.0 )
 Median:    1891.00                9.84     (  1871.71,   1910.29 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3604.00      2747.00      2396.00      1891.00      1568.00      1390.00      1085.00       834.00
 Standard Error        .            .          17.81        11.60         9.84         6.15         5.98         6.06         4.15

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              731.00       542.00       363.00       234.00       150.00
 Standard Error       3.04         3.43         2.65         1.51          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2087.88                3.54     (  2080.94,   2094.82 )
 (Limited to   3651.0 )
 Median:    2000.00               11.68     (  1977.11,   2022.89 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3129.00      2415.00      2000.00      1489.00      1213.00       991.00       868.00
 Standard Error        .            .            .          15.43        11.68         9.59         5.64         3.90         3.34

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              709.00       588.00       414.00       222.00        97.00
 Standard Error       2.76         2.98         2.92         2.18          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1837.62                3.15     (  1831.44,   1843.80 )
 (Limited to   3281.0 )
 Median:    1721.00                9.79     (  1701.80,   1740.20 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3028.00      2576.00      2255.00      1721.00      1512.00      1106.00       983.00       798.00
 Standard Error        .            .           9.50        11.44         9.79         7.48         6.65         3.46         3.93

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              623.00       393.00       274.00       165.00        91.00
 Standard Error       4.16         3.09         1.87         1.18          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1648.99                2.32     (  1644.46,   1653.53 )
 (Limited to   2918.0 )
 Median:    1740.00                6.55     (  1727.15,   1752.85 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2262.00      1942.00      1740.00      1340.00      1002.00       830.00       607.00
 Standard Error        .            .            .           5.42         6.55         7.29         4.91         3.73         3.20

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              455.00       346.00       242.00       186.00        83.00
 Standard Error       2.18         1.66         1.11          .89          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1432.35                2.18     (  1428.08,   1436.62 )
 (Limited to   2553.0 )
 Median:    1366.00                5.38     (  1355.45,   1376.55 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2023.00      1586.00      1366.00      1120.00       912.00       789.00       674.00
 Standard Error        .            .            .           7.40         5.38         4.79         3.37         2.64         3.30

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              469.00       301.00       230.00       100.00        36.00
 Standard Error       3.34         2.03         1.53         1.23          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1293.82                1.94     (  1290.01,   1297.63 )
 (Limited to   2183.0 )
 Median:    1387.00                8.58     (  1370.19,   1403.81 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2130.00      1892.00      1387.00      1101.00       865.00       646.00       486.00
 Standard Error        .            .            .           7.87         8.58         5.71         4.79         3.96         2.77

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              364.00       250.00       190.00       123.00        63.00
 Standard Error       2.12         1.48         1.00          .79          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1145.88                1.62     (  1142.70,   1149.05 )
 (Limited to   1824.0 )
 Median:    1376.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        1376.00      1050.00       912.00       629.00       553.00
 Standard Error        .            .            .            .            .           5.04         4.51         3.99         2.14

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              421.00       318.00       223.00       139.00        62.00
 Standard Error       2.30         1.72         1.43         1.12          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       975.62                1.10     (   973.46,    977.79 )
 (Limited to   1459.0 )
 Median:    1249.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        1249.00      1102.00       834.00       664.00       585.00
 Standard Error        .            .            .            .            .           4.13         4.30         2.45         2.28

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              407.00       338.00       251.00       146.00        39.00
 Standard Error       2.07         1.25         1.36         1.23          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       835.42                 .74     (   833.97,    836.88 )
 (Limited to   1092.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .         888.00       673.00
 Standard Error        .            .            .            .            .            .            .            .           2.90

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              561.00       407.00       292.00       183.00       126.00
 Standard Error       2.22         2.22         1.54          .97          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       578.45                 .44     (   577.58,    579.32 )
 (Limited to   725.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .         534.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              425.00       349.00       231.00       181.00        69.00
 Standard Error       1.62         1.39         1.15          .91          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       339.18                 .17     (   338.84,    339.51 )
 (Limited to   360.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .            .            .         321.00       180.00
 Standard Error        .            .            .            .            .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1991.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1933.62                6.10     (  1921.67,   1945.57 )
 (Limited to   4010.0 )
 Median:    1471.00               13.15     (  1445.22,   1496.78 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2122.00      1892.00      1819.00      1471.00      1356.00       854.00       741.00       595.00
 Standard Error        .            .           9.41         8.40        13.15        10.95        10.44         4.81         3.31

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              507.00       441.00       343.00       144.00       115.00
 Standard Error       3.07         3.03         3.13         2.43          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1992.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1936.31                4.69     (  1927.11,   1945.50 )
 (Limited to   3647.0 )
 Median:    1526.00               14.71     (  1497.16,   1554.84 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3153.00      2804.00      2381.00      1526.00      1463.00       968.00       784.00       637.00
 Standard Error        .            .          12.32        18.71        14.71         9.06         9.00         5.21         4.44

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              552.00       382.00       231.00       169.00       105.00
 Standard Error       3.26         3.13         2.35         1.41          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1993.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1954.02                3.81     (  1946.55,   1961.49 )
 (Limited to   3279.0 )
 Median:    1994.00                7.35     (  1979.58,   2008.42 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2267.00      1994.00      1806.00      1366.00      1213.00       735.00
 Standard Error        .            .            .            .           7.35        10.07        10.20         8.26         7.15

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              632.00       500.00       351.00       181.00        69.00
 Standard Error       3.30         2.93         3.17         2.31          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1994.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1754.13                2.94     (  1748.36,   1759.90 )
 (Limited to   2916.0 )
 Median:    1760.00                8.44     (  1743.46,   1776.54 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2550.00      2042.00      1760.00      1400.00      1230.00      1076.00       802.00
 Standard Error        .            .            .          10.54         8.44         6.89         4.27         5.33         5.20

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              645.00       477.00       399.00       285.00       189.00
 Standard Error       3.57         2.75         1.64         1.76          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1995.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1486.73                2.72     (  1481.39,   1492.07 )
 (Limited to   2541.0 )
 Median:    1707.00               12.12     (  1683.25,   1730.75 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2122.00      1707.00      1155.00       870.00       700.00       562.00
 Standard Error        .            .            .            .          12.12        10.94         6.00         3.89         3.46

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              386.00       283.00       196.00       147.00        72.00
 Standard Error       3.00         1.89         1.09          .92          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1996.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1324.89                2.12     (  1320.73,   1329.04 )
 (Limited to   2189.0 )
 Median:    1461.00                7.30     (  1446.69,   1475.31 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2024.00      1798.00      1461.00      1225.00       815.00       707.00       568.00
 Standard Error        .            .            .           6.45         7.30         7.76         6.17         2.83         2.66

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              457.00       356.00       281.00       175.00        80.00
 Standard Error       2.14         1.76         1.64         1.35          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1997.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1237.82                1.86     (  1234.17,   1241.48 )
 (Limited to   1819.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1524.00      1155.00       853.00       725.00
 Standard Error        .            .            .            .            .            .           8.76         5.45         4.29

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              490.00       350.00       201.00       134.00        77.00
 Standard Error       4.15         3.02         1.91          .96          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1998.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1041.05                1.16     (  1038.79,   1043.32 )
 (Limited to   1454.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        1287.00      1086.00       843.00       656.00
 Standard Error        .            .            .            .            .            .           4.78         4.43         3.16

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              574.00       398.00       302.00       191.00       140.00
 Standard Error       2.53         2.24         1.60         1.08          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 1999.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       844.60                 .83     (   842.98,    846.22 )
 (Limited to   1091.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .         871.00       650.00
 Standard Error        .            .            .            .            .            .            .            .           3.29

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              539.00       413.00       358.00       225.00       173.00
 Standard Error       2.28         1.57         1.52         1.29          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 2000.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       593.94                 .52     (   592.92,    594.96 )
 (Limited to   727.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              483.00       365.00       225.00       171.00        78.00
 Standard Error        .           2.19         1.53         1.03          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor YEARPLAC = 2001.00




          Survival Time    Standard Error   95% Confidence Interval

 Mean:       318.10                 .24     (   317.63,    318.57 )
 (Limited to   363.00 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .            .
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value                 .         300.00       198.00       131.00        54.00
 Standard Error        .            .           1.51          .99          .



 Survival Analysis for TIME     Time to reintervention

                                  Total     Number      Number       Percent
                                            Events     Censored     Censored

PATAGEG2       18 to 29          ******     ******      ******         63.65
  YEARPLAC        1991.00        246000     124000      122000         49.59
  YEARPLAC        1992.00        297000     156000      141000         47.47
  YEARPLAC        1993.00        371000     174000      197000         53.10
  YEARPLAC        1994.00        302000     129000      173000         57.28
  YEARPLAC        1995.00        323000     142000      181000         56.04
  YEARPLAC        1996.00        326000     136000      190000         58.28
  YEARPLAC        1997.00        290000      88000      202000         69.66
  YEARPLAC        1998.00        261000      81000      180000         68.97
  YEARPLAC        1999.00        277000      75000      202000         72.92
  YEARPLAC        2000.00        253000      48000      205000         81.03
  YEARPLAC        2001.00        295000      25000      270000         91.53

PATAGEG2       30 to 39          ******     ******      ******         59.93
  YEARPLAC        1991.00        245000     129000      116000         47.35
  YEARPLAC        1992.00        230000     122000      108000         46.96
  YEARPLAC        1993.00        325000     165000      160000         49.23
  YEARPLAC        1994.00        389000     184000      205000         52.70
  YEARPLAC        1995.00        408000     188000      220000         53.92
  YEARPLAC        1996.00        419000     208000      211000         50.36
  YEARPLAC        1997.00        414000     171000      243000         58.70
  YEARPLAC        1998.00        430000     169000      261000         60.70
  YEARPLAC        1999.00        441000     157000      284000         64.40
  YEARPLAC        2000.00        377000      81000      296000         78.51
  YEARPLAC        2001.00        355000      42000      313000         88.17

PATAGEG2       40 to 49          ******     ******      ******         55.10
  YEARPLAC        1991.00        250000     145000      105000         42.00
  YEARPLAC        1992.00        388000     228000      160000         41.24
  YEARPLAC        1993.00        330000     199000      131000         39.70
  YEARPLAC        1994.00        367000     187000      180000         49.05
  YEARPLAC        1995.00        352000     179000      173000         49.15
  YEARPLAC        1996.00        380000     197000      183000         48.16
  YEARPLAC        1997.00        342000     161000      181000         52.92
  YEARPLAC        1998.00        377000     170000      207000         54.91
  YEARPLAC        1999.00        373000     163000      210000         56.30
  YEARPLAC        2000.00        412000     112000      300000         72.82
  YEARPLAC        2001.00        418000      50000      368000         88.04

PATAGEG2       50 to 59          ******     ******      ******         57.70
  YEARPLAC        1991.00        174000      98000       76000         43.68
  YEARPLAC        1992.00        250000     147000      103000         41.20
  YEARPLAC        1993.00        289000     148000      141000         48.79
  YEARPLAC        1994.00        287000     148000      139000         48.43
  YEARPLAC        1995.00        273000     146000      127000         46.52
  YEARPLAC        1996.00        334000     167000      167000         50.00
  YEARPLAC        1997.00        353000     157000      196000         55.52
  YEARPLAC        1998.00        361000     151000      210000         58.17
  YEARPLAC        1999.00        397000     147000      250000         62.97
  YEARPLAC        2000.00        407000     131000      276000         67.81
  YEARPLAC        2001.00        419000      59000      360000         85.92

PATAGEG2       60 to 69          ******     ******      ******         56.15
  YEARPLAC        1991.00        172000      95000       77000         44.77
  YEARPLAC        1992.00        187000      95000       92000         49.20
  YEARPLAC        1993.00        187000     100000       87000         46.52
  YEARPLAC        1994.00        270000     146000      124000         45.93
  YEARPLAC        1995.00        218000     126000       92000         42.20
  YEARPLAC        1996.00        214000     112000      102000         47.66
  YEARPLAC        1997.00        201000      98000      103000         51.24
  YEARPLAC        1998.00        248000     118000      130000         52.42
  YEARPLAC        1999.00        249000      87000      162000         65.06
  YEARPLAC        2000.00        283000      83000      200000         70.67
  YEARPLAC        2001.00        220000      14000      206000         93.64



PATAGEG2       70 or older       ******     706000      ******         61.10
  YEARPLAC        1991.00         87000      46000       41000         47.13
  YEARPLAC        1992.00        113000      60000       53000         46.90
  YEARPLAC        1993.00        136000      62000       74000         54.41
  YEARPLAC        1994.00        156000      79000       77000         49.36
  YEARPLAC        1995.00        157000      78000       79000         50.32
  YEARPLAC        1996.00        174000      88000       86000         49.43
  YEARPLAC        1997.00        147000      62000       85000         57.82
  YEARPLAC        1998.00        211000      85000      126000         59.72
  YEARPLAC        1999.00        187000      64000      123000         65.78
  YEARPLAC        2000.00        209000      52000      157000         75.12
  YEARPLAC        2001.00        238000      30000      208000         87.39

Overall                        19071000    7864000    11207000         58.76



Survival; patageg2: 18 to 29

Survival; patageg2: 30 to 39

Survival; patageg2: 40 to 49

Survival; patageg2: 50 to 59

Survival; patageg2: 60 to 69

Survival; patageg2: 70 or older

>Warning # 3211
>On at least one case, the value of the weight variable was zero, negative,
>or missing.  Such cases are invisible to statistical procedures and graphs
>which need positively weighted cases, but remain on the file and are
>processed by non-statistical facilities such as LIST and SAVE.


* Dentist age versus patient age by treatment type.

Get file='D:\temp1.sav'.

weight by weight.


* Analyse interesting subgroups separately.

Temporary.

* Composite resin on incisors and canines.

Select if (toothtyp=1 and maintrt=1421).

KM
  time  by  dentage /STATUS=reint(1)
    /strata = patageg2
    /plot=survival
    /PRINT MEAN
    /PERCENTILES = (25,35,40,45,50,55,60,65,70,75,80,85,90,95).

Kaplan-Meier

Notes
Output Created 11-JUN-2003 18:10:00
Comments
Input Data D:\temp1.sav
Filter <none>
Weight weighting (for time-dependent censor adjustment)
Split File <none>
N of Rows in Working Data File 153630
Syntax KM
time by dentage /STATUS=reint(1)
/strata = patageg2
/plot=survival
/PRINT MEAN
/PERCENTILES = (25,35,40,45,50,55,60,65,70,75,80,85,90,95).
Resources Elapsed Time 0:00:25.70




 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2699.75                 .98     (  2697.84,   2701.67 )
 (Limited to   4016.0 )
 Median:    3587.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3587.00      2952.00      2373.00      1982.00      1541.00
 Standard Error        .            .            .            .            .           4.63         3.27         2.56         2.25

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1176.00       899.00       622.00       357.00       182.00
 Standard Error       1.62         1.24         1.04          .66          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2607.09                 .78     (  2605.56,   2608.63 )
 (Limited to   4016.0 )
 Median:    3220.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3220.00      2501.00      2108.00      1762.00      1397.00
 Standard Error        .            .            .            .            .           3.12         1.92         1.67         1.45

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1093.00       826.00       574.00       379.00       184.00
 Standard Error       1.13          .92          .67          .48          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2586.35                 .98     (  2584.44,   2588.27 )
 (Limited to   4015.0 )
 Median:    3012.00                4.03     (  3004.10,   3019.90 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3659.00      3012.00      2583.00      2143.00      1826.00      1415.00
 Standard Error        .            .            .            .           4.03         3.09         2.44         2.16         2.13

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1045.00       783.00       560.00       370.00       176.00
 Standard Error       1.57         1.06          .79          .59          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2545.58                1.36     (  2542.92,   2548.25 )
 (Limited to   4015.0 )
 Median:    2840.00                4.91     (  2830.38,   2849.62 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3431.00      2840.00      2396.00      2124.00      1685.00      1338.00
 Standard Error        .            .            .            .           4.91         3.46         3.11         3.22         2.43

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1037.00       782.00       593.00       392.00       189.00
 Standard Error       1.88         1.36         1.04          .84          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2578.82                 .95     (  2576.97,   2580.68 )
 (Limited to   4014.0 )
 Median:    3185.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3185.00      2618.00      2137.00      1743.00      1345.00
 Standard Error        .            .            .            .            .           3.57         2.68         2.22         1.94

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              986.00       729.00       484.00       294.00       149.00
 Standard Error       1.43         1.05          .79          .49          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2670.66                 .72     (  2669.25,   2672.07 )
 (Limited to   4016.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2897.00      2322.00      1829.00      1432.00
 Standard Error        .            .            .            .            .            .           2.56         1.93         1.47

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1080.00       796.00       552.00       342.00       169.00
 Standard Error       1.14          .85          .63          .43          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2666.72                 .91     (  2664.93,   2668.50 )
 (Limited to   4015.0 )
 Median:    3430.00                4.41     (  3421.35,   3438.65 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3964.00      3430.00      2867.00      2362.00      1822.00      1451.00
 Standard Error        .            .            .            .           4.41         3.73         3.23         2.55         1.69

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1159.00       849.00       624.00       404.00       189.00
 Standard Error       1.41         1.10          .79          .62          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2523.94                1.27     (  2521.45,   2526.44 )
 (Limited to   4015.0 )
 Median:    2824.00                5.72     (  2812.78,   2835.22 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3551.00      2824.00      2366.00      1932.00      1504.00      1238.00
 Standard Error        .            .            .            .           5.72         3.92         3.50         2.55         1.92

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              942.00       720.00       524.00       358.00       175.00
 Standard Error       1.60         1.15          .87          .68          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2458.99                1.07     (  2456.89,   2461.09 )
 (Limited to   4009.0 )
 Median:    2671.00                4.40     (  2662.37,   2679.63 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3325.00      2671.00      2173.00      1846.00      1484.00      1133.00
 Standard Error        .            .            .            .           4.40         2.95         2.30         2.19         1.77

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              860.00       637.00       455.00       253.00       140.00
 Standard Error       1.29          .96          .78          .52          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2510.66                 .76     (  2509.18,   2512.14 )
 (Limited to   4013.0 )
 Median:    2933.00                3.53     (  2926.09,   2939.91 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3559.00      2933.00      2318.00      1885.00      1534.00      1209.00
 Standard Error        .            .            .            .           3.53         2.67         1.84         1.48         1.18

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              951.00       672.00       511.00       328.00       179.00
 Standard Error        .99          .73          .50          .39          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2439.58                 .87     (  2437.88,   2441.29 )
 (Limited to   4016.0 )
 Median:    2607.00                3.42     (  2600.29,   2613.71 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3302.00      2607.00      2183.00      1746.00      1409.00      1109.00
 Standard Error        .            .            .            .           3.42         2.44         2.07         1.59         1.34

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              821.00       607.00       432.00       281.00       160.00
 Standard Error       1.06          .74          .54          .37          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2412.25                1.19     (  2409.93,   2414.58 )
 (Limited to   4016.0 )
 Median:    2584.00                4.45     (  2575.29,   2592.71 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3510.00      3202.00      2584.00      2126.00      1715.00      1375.00      1092.00
 Standard Error        .            .            .           4.58         4.45         3.35         2.70         2.10         1.65

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              848.00       620.00       458.00       320.00       181.00
 Standard Error       1.35         1.01          .67          .52          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2267.52                1.18     (  2265.20,   2269.84 )
 (Limited to   4015.0 )
 Median:    2115.00                3.04     (  2109.05,   2120.95 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3107.00      2535.00      2115.00      1757.00      1463.00      1185.00       958.00
 Standard Error        .            .            .           4.16         3.04         2.41         1.98         1.62         1.25

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              773.00       581.00       429.00       253.00       126.00
 Standard Error       1.03          .84          .70          .53          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2310.01                 .82     (  2308.40,   2311.63 )
 (Limited to   4015.0 )
 Median:    2265.00                2.55     (  2259.99,   2270.01 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3388.00      2793.00      2265.00      1880.00      1496.00      1206.00       966.00
 Standard Error        .            .            .           3.38         2.55         1.98         1.61         1.19          .95

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              751.00       596.00       427.00       273.00       156.00
 Standard Error        .70          .56          .49          .34          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2346.38                 .93     (  2344.55,   2348.20 )
 (Limited to   4010.0 )
 Median:    2407.00                3.38     (  2400.38,   2413.62 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3840.00      2973.00      2407.00      1906.00      1483.00      1221.00       962.00
 Standard Error        .            .            .           4.90         3.38         2.68         1.83         1.32         1.11

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              747.00       573.00       401.00       265.00       164.00
 Standard Error        .84          .68          .53          .33          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2298.17                1.13     (  2295.95,   2300.39 )
 (Limited to   4007.0 )
 Median:    2228.00                3.06     (  2222.01,   2233.99 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3323.00      2629.00      2228.00      1838.00      1502.00      1185.00       952.00
 Standard Error        .            .            .           4.49         3.06         2.55         2.09         1.68         1.24

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              749.00       567.00       420.00       288.00       155.00
 Standard Error       1.01          .79          .57          .45          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2140.62                1.49     (  2137.71,   2143.54 )
 (Limited to   4004.0 )
 Median:    1754.00                4.01     (  1746.15,   1761.85 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2923.00      2276.00      1754.00      1399.00      1133.00       939.00       739.00
 Standard Error        .            .            .           5.69         4.01         2.65         1.85         1.49         1.21

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              594.00       421.00       315.00       196.00       110.00
 Standard Error       1.04          .82          .58          .45          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2194.09                 .94     (  2192.24,   2195.93 )
 (Limited to   4014.0 )
 Median:    1989.00                2.29     (  1984.51,   1993.49 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3711.00      3014.00      2412.00      1989.00      1649.00      1344.00      1059.00       827.00
 Standard Error        .            .           4.57         3.34         2.29         1.82         1.56         1.28         1.01

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              624.00       474.00       352.00       208.00       131.00
 Standard Error        .75          .53          .45          .32          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2038.36                1.03     (  2036.33,   2040.39 )
 (Limited to   4008.0 )
 Median:    1633.00                2.36     (  1628.38,   1637.62 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3040.00      2515.00      2046.00      1633.00      1302.00      1048.00       882.00       714.00
 Standard Error        .           4.64         3.58         2.94         2.36         1.76         1.21          .91          .80

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              567.00       441.00       350.00       209.00       132.00
 Standard Error        .65          .47          .44          .34          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2033.78                1.18     (  2031.48,   2036.09 )
 (Limited to   4016.0 )
 Median:    1677.00                2.27     (  1672.55,   1681.45 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2871.00      2341.00      2000.00      1677.00      1368.00      1095.00       923.00       750.00
 Standard Error        .           6.16         3.45         2.57         2.27         2.01         1.47         1.08          .96

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              595.00       449.00       356.00       237.00       149.00
 Standard Error        .82          .59          .46          .38          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1975.53                1.89     (  1971.82,   1979.24 )
 (Limited to   3995.0 )
 Median:    1533.00                3.45     (  1526.24,   1539.76 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2745.00      2252.00      1801.00      1533.00      1170.00       948.00       772.00       618.00
 Standard Error        .            .           6.16         4.23         3.45         2.92         1.85         1.48         1.12

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              505.00       383.00       288.00       190.00        97.00
 Standard Error        .92          .76          .60          .50          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2010.13                1.23     (  2007.71,   2012.54 )
 (Limited to   4016.0 )
 Median:    1565.00                2.09     (  1560.90,   1569.10 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2992.00      2366.00      1889.00      1565.00      1293.00      1041.00       828.00       662.00
 Standard Error        .            .           4.55         3.03         2.09         1.76         1.45         1.13          .80

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              540.00       398.00       273.00       185.00       108.00
 Standard Error        .69          .60          .43          .28          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2079.47                1.25     (  2077.02,   2081.93 )
 (Limited to   4011.0 )
 Median:    1646.00                2.34     (  1641.41,   1650.59 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3588.00      2586.00      1981.00      1646.00      1346.00      1093.00       917.00       751.00
 Standard Error        .            .           6.36         3.73         2.34         1.92         1.39         1.05          .85

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              615.00       473.00       348.00       202.00       128.00
 Standard Error        .73          .63          .56          .38          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2060.24                1.46     (  2057.39,   2063.09 )
 (Limited to   4016.0 )
 Median:    1674.00                3.07     (  1667.98,   1680.02 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3234.00      2386.00      2095.00      1674.00      1351.00      1146.00       933.00       746.00
 Standard Error        .            .           5.74         3.41         3.07         2.13         1.60         1.45         1.24

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              562.00       428.00       314.00       206.00       134.00
 Standard Error        .97          .69          .53          .36          .



 Survival Analysis for TIME     Time to reintervention

                                  Total     Number      Number       Percent
                                            Events     Censored     Censored

PATAGEG2       18 to 29          ******     ******      ******         70.04
  DENTAGE        under 30        ******     ******      ******         71.64
  DENTAGE        30 to 39        ******     ******      ******         69.59
  DENTAGE        40 to 49        ******     ******      ******         69.52
  DENTAGE        50 or older     ******     655000      ******         69.36

PATAGEG2       30 to 39          ******     ******      ******         69.77
  DENTAGE        under 30        ******     ******      ******         68.66
  DENTAGE        30 to 39        ******     ******      ******         70.22
  DENTAGE        40 to 49        ******     ******      ******         71.02
  DENTAGE        50 or older     ******     784000      ******         68.00

PATAGEG2       40 to 49          ******     ******      ******         65.35
  DENTAGE        under 30        ******     ******      ******         65.84
  DENTAGE        30 to 39        ******     ******      ******         66.31
  DENTAGE        40 to 49        ******     ******      ******         64.25
  DENTAGE        50 or older     ******     965000      ******         64.42

PATAGEG2       50 to 59          ******     ******      ******         63.62
  DENTAGE        under 30        ******     ******      ******         63.23
  DENTAGE        30 to 39        ******     ******      ******         63.61
  DENTAGE        40 to 49        ******     ******      ******         64.10
  DENTAGE        50 or older     ******     ******      ******         63.27

PATAGEG2       60 to 69          ******     ******      ******         58.58
  DENTAGE        under 30        ******     787000      ******         60.33
  DENTAGE        30 to 39        ******     ******      ******         60.31
  DENTAGE        40 to 49        ******     ******      ******         57.01
  DENTAGE        50 or older     ******     ******      ******         56.63

PATAGEG2       70 or older       ******     ******      ******         60.70
  DENTAGE        under 30        ******     570000      866000         60.31
  DENTAGE        30 to 39        ******     ******      ******         59.64
  DENTAGE        40 to 49        ******     ******      ******         61.10
  DENTAGE        50 or older     ******     897000      ******         61.88

Overall                        93002000   32293000    60709000         65.28



Survival; patageg2: 18 to 29

Survival; patageg2: 30 to 39

Survival; patageg2: 40 to 49

Survival; patageg2: 50 to 59

Survival; patageg2: 60 to 69

Survival; patageg2: 70 or older

>Warning # 3211
>On at least one case, the value of the weight variable was zero, negative,
>or missing.  Such cases are invisible to statistical procedures and graphs
>which need positively weighted cases, but remain on the file and are
>processed by non-statistical facilities such as LIST and SAVE.


Temporary.

* Amalgam on molars.

Select if (toothtyp=3 and range(maintrt,1401,1404)).

KM
  time  by  dentage /STATUS=reint(1)
    /strata = patageg2
    /plot=survival
    /PRINT MEAN
    /PERCENTILES = (25,35,40,45,50,55,60,65,70,75,80,85,90,95).

Kaplan-Meier

Notes
Output Created 11-JUN-2003 18:10:26
Comments
Input Data D:\temp1.sav
Filter <none>
Weight weighting (for time-dependent censor adjustment)
Split File <none>
N of Rows in Working Data File 344901
Syntax KM
time by dentage /STATUS=reint(1)
/strata = patageg2
/plot=survival
/PRINT MEAN
/PERCENTILES = (25,35,40,45,50,55,60,65,70,75,80,85,90,95).
Resources Elapsed Time 0:00:45.90




 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2885.63                 .47     (  2884.72,   2886.55 )
 (Limited to   4016.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3573.00      2954.00      2458.00      1986.00
 Standard Error        .            .            .            .            .            .           2.09         1.62         1.36

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1552.00      1224.00       919.00       608.00       305.00
 Standard Error       1.03          .75          .63          .50          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2870.72                 .39     (  2869.96,   2871.47 )
 (Limited to   4017.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3579.00      2887.00      2368.00      1905.00
 Standard Error        .            .            .            .            .            .           1.84         1.32         1.06

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1491.00      1134.00       854.00       578.00       293.00
 Standard Error        .83          .61          .46          .37          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2825.57                 .46     (  2824.68,   2826.46 )
 (Limited to   4016.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3371.00      2755.00      2222.00      1798.00
 Standard Error        .            .            .            .            .            .           1.97         1.47         1.12

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1420.00      1097.00       798.00       535.00       280.00
 Standard Error        .89          .70          .54          .40          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2806.59                 .58     (  2805.45,   2807.73 )
 (Limited to   4016.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3291.00      2701.00      2195.00      1732.00
 Standard Error        .            .            .            .            .            .           2.38         1.88         1.43

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1379.00      1061.00       793.00       546.00       316.00
 Standard Error       1.06          .82          .62          .47          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2759.12                 .54     (  2758.06,   2760.18 )
 (Limited to   4015.0 )
 Median:    3692.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3692.00      3142.00      2563.00      2120.00      1707.00
 Standard Error        .            .            .            .            .           2.53         2.00         1.51         1.24

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1344.00      1008.00       721.00       447.00       211.00
 Standard Error       1.01          .80          .62          .45          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2746.49                 .41     (  2745.69,   2747.29 )
 (Limited to   4016.0 )
 Median:    3759.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3759.00      3146.00      2599.00      2094.00      1628.00
 Standard Error        .            .            .            .            .           1.96         1.54         1.27          .98

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1263.00       932.00       653.00       413.00       198.00
 Standard Error        .75          .58          .43          .31          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2680.99                 .49     (  2680.04,   2681.95 )
 (Limited to   4016.0 )
 Median:    3639.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3639.00      2914.00      2341.00      1886.00      1488.00
 Standard Error        .            .            .            .            .           2.39         1.70         1.29         1.03

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1140.00       854.00       599.00       387.00       190.00
 Standard Error        .79          .60          .45          .32          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2618.27                 .64     (  2617.01,   2619.53 )
 (Limited to   4015.0 )
 Median:    3336.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3336.00      2686.00      2137.00      1759.00      1379.00
 Standard Error        .            .            .            .            .           2.81         1.95         1.46         1.23

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1061.00       804.00       574.00       361.00       187.00
 Standard Error        .93          .70          .55          .39          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2711.58                 .75     (  2710.10,   2713.06 )
 (Limited to   4016.0 )
 Median:    3579.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3579.00      2990.00      2462.00      2000.00      1583.00
 Standard Error        .            .            .            .            .           3.32         2.62         2.14         1.74

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1203.00       931.00       665.00       396.00       183.00
 Standard Error       1.30          .95          .82          .59          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2652.24                 .53     (  2651.20,   2653.28 )
 (Limited to   4016.0 )
 Median:    3467.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3467.00      2885.00      2265.00      1830.00      1423.00
 Standard Error        .            .            .            .            .           2.37         1.86         1.36         1.11

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1081.00       776.00       559.00       360.00       181.00
 Standard Error        .87          .63          .43          .32          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2497.82                 .57     (  2496.70,   2498.93 )
 (Limited to   4016.0 )
 Median:    2928.00                2.64     (  2922.82,   2933.18 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3573.00      2928.00      2321.00      1861.00      1469.00      1181.00
 Standard Error        .            .            .            .           2.64         2.03         1.50         1.12          .88

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              890.00       657.00       476.00       306.00       165.00
 Standard Error        .73          .52          .39          .28          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2438.53                 .70     (  2437.14,   2439.91 )
 (Limited to   4014.0 )
 Median:    2696.00                2.77     (  2690.58,   2701.42 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3276.00      2696.00      2184.00      1719.00      1379.00      1084.00
 Standard Error        .            .            .            .           2.77         2.25         1.71         1.27         1.03

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              825.00       626.00       452.00       287.00       147.00
 Standard Error        .78          .57          .45          .34          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2591.60                1.05     (  2589.55,   2593.65 )
 (Limited to   4015.0 )
 Median:    3218.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3218.00      2642.00      2128.00      1666.00      1325.00
 Standard Error        .            .            .            .            .           4.05         3.32         2.49         1.85

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1017.00       774.00       527.00       333.00       148.00
 Standard Error       1.43         1.13          .88          .62          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2589.05                 .72     (  2587.65,   2590.45 )
 (Limited to   4015.0 )
 Median:    3359.00                3.45     (  3352.23,   3365.77 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3941.00      3359.00      2681.00      2156.00      1652.00      1297.00
 Standard Error        .            .            .            .           3.45         3.06         2.35         1.80         1.34

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              955.00       700.00       496.00       312.00       169.00
 Standard Error       1.04          .72          .53          .37          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2441.62                 .75     (  2440.15,   2443.09 )
 (Limited to   4016.0 )
 Median:    2521.00                2.89     (  2515.34,   2526.66 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3229.00      2521.00      2153.00      1773.00      1399.00      1090.00
 Standard Error        .            .            .            .           2.89         1.84         1.71         1.44         1.09

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              839.00       645.00       444.00       287.00       147.00
 Standard Error        .80          .64          .51          .35          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2450.05                 .83     (  2448.41,   2451.68 )
 (Limited to   4015.0 )
 Median:    2771.00                3.14     (  2764.85,   2777.15 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3241.00      2771.00      2198.00      1741.00      1385.00      1116.00
 Standard Error        .            .            .            .           3.14         2.81         2.05         1.46         1.19

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              836.00       628.00       435.00       272.00       157.00
 Standard Error        .97          .72          .56          .36          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2530.79                1.58     (  2527.69,   2533.88 )
 (Limited to   4001.0 )
 Median:    2987.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2987.00      2395.00      1899.00      1470.00      1183.00
 Standard Error        .            .            .            .            .           5.73         4.54         3.30         2.38

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              911.00       700.00       461.00       318.00       157.00
 Standard Error       1.87         1.54         1.14          .76          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2461.36                1.01     (  2459.37,   2463.34 )
 (Limited to   4014.0 )
 Median:    2755.00                4.01     (  2747.15,   2762.85 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3370.00      2755.00      2265.00      1805.00      1426.00      1112.00
 Standard Error        .            .            .            .           4.01         3.15         2.60         1.97         1.57

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              830.00       623.00       451.00       273.00       144.00
 Standard Error       1.18          .83          .67          .49          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2330.21                1.03     (  2328.20,   2332.22 )
 (Limited to   4013.0 )
 Median:    2342.00                3.31     (  2335.51,   2348.49 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3571.00      2849.00      2342.00      1901.00      1537.00      1265.00       985.00
 Standard Error        .            .            .           4.60         3.31         2.61         1.92         1.57         1.36

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              754.00       573.00       395.00       223.00       114.00
 Standard Error       1.01          .79          .68          .45          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2345.71                1.15     (  2343.46,   2347.97 )
 (Limited to   4015.0 )
 Median:    2296.00                4.01     (  2288.14,   2303.86 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3878.00      2885.00      2296.00      1835.00      1517.00      1232.00       960.00
 Standard Error        .            .            .           6.35         4.01         2.79         2.00         1.74         1.47

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              727.00       558.00       391.00       258.00       155.00
 Standard Error       1.08          .82          .64          .42          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2558.61                2.68     (  2553.35,   2563.86 )
 (Limited to   4014.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2571.00      1796.00      1444.00      1096.00
 Standard Error        .            .            .            .            .            .           8.65         5.09         4.32

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              799.00       648.00       431.00       279.00       147.00
 Standard Error       2.76         2.00         1.79         1.14          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2501.54                1.64     (  2498.33,   2504.76 )
 (Limited to   4007.0 )
 Median:    3128.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3128.00      2514.00      1772.00      1302.00      1013.00
 Standard Error        .            .            .            .            .           7.24         5.70         3.34         2.02

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              808.00       596.00       386.00       245.00       144.00
 Standard Error       1.52         1.40         1.02          .59          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2305.35                1.55     (  2302.31,   2308.38 )
 (Limited to   4001.0 )
 Median:    2101.00                4.32     (  2092.54,   2109.46 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2666.00      2101.00      1814.00      1452.00      1155.00       942.00
 Standard Error        .            .            .            .           4.32         3.10         2.81         2.03         1.63

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              719.00       511.00       369.00       224.00       139.00
 Standard Error       1.47         1.08          .76          .51          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2333.96                1.67     (  2330.68,   2337.24 )
 (Limited to   4009.0 )
 Median:    2234.00                7.03     (  2220.23,   2247.77 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3140.00      2234.00      1834.00      1447.00      1100.00       826.00
 Standard Error        .            .            .            .           7.03         3.90         3.37         2.64         1.88

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              622.00       496.00       383.00       240.00       140.00
 Standard Error       1.20          .80          .73          .58          .



 Survival Analysis for TIME     Time to reintervention

                                  Total     Number      Number       Percent
                                            Events     Censored     Censored

PATAGEG2       18 to 29          ******     ******      ******         74.91
  DENTAGE        under 30        ******     ******      ******         75.92
  DENTAGE        30 to 39        ******     ******      ******         75.15
  DENTAGE        40 to 49        ******     ******      ******         73.87
  DENTAGE        50 or older     ******     ******      ******         74.55

PATAGEG2       30 to 39          ******     ******      ******         70.99
  DENTAGE        under 30        ******     ******      ******         72.55
  DENTAGE        30 to 39        ******     ******      ******         71.49
  DENTAGE        40 to 49        ******     ******      ******         70.08
  DENTAGE        50 or older     ******     ******      ******         69.28

PATAGEG2       40 to 49          ******     ******      ******         67.19
  DENTAGE        under 30        ******     ******      ******         70.84
  DENTAGE        30 to 39        ******     ******      ******         68.92
  DENTAGE        40 to 49        ******     ******      ******         65.01
  DENTAGE        50 or older     ******     ******      ******         64.54

PATAGEG2       50 to 59          ******     ******      ******         66.39
  DENTAGE        under 30        ******     ******      ******         68.80
  DENTAGE        30 to 39        ******     ******      ******         68.03
  DENTAGE        40 to 49        ******     ******      ******         64.59
  DENTAGE        50 or older     ******     ******      ******         64.93

PATAGEG2       60 to 69          ******     ******      ******         63.63
  DENTAGE        under 30        ******     502000      ******         66.93
  DENTAGE        30 to 39        ******     ******      ******         64.87
  DENTAGE        40 to 49        ******     ******      ******         61.78
  DENTAGE        50 or older     ******     ******      ******         62.64

PATAGEG2       70 or older       ******     ******      ******         65.86
  DENTAGE        under 30        596000     181000      415000         69.63
  DENTAGE        30 to 39        ******     521000      ******         67.58
  DENTAGE        40 to 49        ******     670000      ******         64.23
  DENTAGE        50 or older     ******     575000      ******         64.66

Overall                        ********   59833000    ********         70.46



Survival; patageg2: 18 to 29

Survival; patageg2: 30 to 39

Survival; patageg2: 40 to 49

Survival; patageg2: 50 to 59

Survival; patageg2: 60 to 69

Survival; patageg2: 70 or older

>Warning # 3211
>On at least one case, the value of the weight variable was zero, negative,
>or missing.  Such cases are invisible to statistical procedures and graphs
>which need positively weighted cases, but remain on the file and are
>processed by non-statistical facilities such as LIST and SAVE.


Temporary.

* Glass ionomer on molars.

Select if (toothtyp=3 and maintrt = 1426).

KM
  time  by  dentage /STATUS=reint(1)
    /strata = patageg2
    /plot=survival
    /PRINT MEAN
    /PERCENTILES = (25,35,40,45,50,55,60,65,70,75,80,85,90,95).

Kaplan-Meier

Notes
Output Created 11-JUN-2003 18:11:12
Comments
Input Data D:\temp1.sav
Filter <none>
Weight weighting (for time-dependent censor adjustment)
Split File <none>
N of Rows in Working Data File 30265
Syntax KM
time by dentage /STATUS=reint(1)
/strata = patageg2
/plot=survival
/PRINT MEAN
/PERCENTILES = (25,35,40,45,50,55,60,65,70,75,80,85,90,95).
Resources Elapsed Time 0:00:15.58




 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2273.19                2.02     (  2269.24,   2277.14 )
 (Limited to   3976.0 )
 Median:    2181.00                4.89     (  2171.42,   2190.58 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3118.00      2604.00      2181.00      1903.00      1456.00      1288.00      1035.00
 Standard Error        .            .            .           6.86         4.89         4.88         3.83         2.45         2.64

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              803.00       612.00       425.00       302.00       176.00
 Standard Error       2.10         1.75         1.21          .78          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2354.55                1.81     (  2351.00,   2358.10 )
 (Limited to   4014.0 )
 Median:    2413.00                5.68     (  2401.87,   2424.13 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3328.00      2866.00      2413.00      1939.00      1605.00      1316.00      1059.00
 Standard Error        .            .            .           6.40         5.68         4.61         3.29         2.77         2.24

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              837.00       629.00       462.00       338.00       161.00
 Standard Error       1.82         1.43          .97          .83          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2347.12                2.45     (  2342.32,   2351.93 )
 (Limited to   4004.0 )
 Median:    2338.00                7.52     (  2323.27,   2352.73 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2859.00      2338.00      1951.00      1434.00      1182.00       914.00
 Standard Error        .            .            .            .           7.52         6.64         5.47         3.43         2.77

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              714.00       553.00       387.00       251.00       105.00
 Standard Error       2.04         1.68         1.35         1.03          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2102.80                3.40     (  2096.14,   2109.47 )
 (Limited to   4013.0 )
 Median:    1659.00                4.88     (  1649.44,   1668.56 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             3843.00      3244.00      3063.00      1936.00      1659.00      1538.00      1224.00       929.00       751.00
 Standard Error        .          14.24        12.88        14.04         4.88         4.53         5.96         4.08         2.33

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              634.00       527.00       386.00       244.00       100.00
 Standard Error       1.74         1.74         1.81         1.46          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2210.36                2.03     (  2206.39,   2214.34 )
 (Limited to   4002.0 )
 Median:    2072.00                5.73     (  2060.78,   2083.22 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3148.00      2604.00      2072.00      1705.00      1325.00      1007.00       772.00
 Standard Error        .            .            .           7.33         5.73         4.51         3.89         2.84         1.91

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              608.00       438.00       281.00       178.00        97.00
 Standard Error       1.47         1.30          .90          .56          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2139.73                1.61     (  2136.57,   2142.89 )
 (Limited to   3994.0 )
 Median:    1971.00                4.42     (  1962.35,   1979.65 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3369.00      2850.00      2394.00      1971.00      1550.00      1233.00      1037.00       839.00
 Standard Error        .            .           5.87         4.77         4.42         3.57         2.31         1.69         1.52

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              659.00       486.00       322.00       193.00        91.00
 Standard Error       1.30         1.11          .85          .56          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2013.27                2.23     (  2008.89,   2017.65 )
 (Limited to   4016.0 )
 Median:    1742.00                3.85     (  1734.46,   1749.54 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2816.00      2449.00      1964.00      1742.00      1380.00      1099.00       843.00       619.00
 Standard Error        .           9.01         6.81         5.04         3.85         4.00         3.28         2.51         1.71

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              511.00       378.00       273.00       180.00        91.00
 Standard Error       1.16         1.03          .76          .58          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2113.16                2.90     (  2107.47,   2118.85 )
 (Limited to   3958.0 )
 Median:    1564.00                5.82     (  1552.59,   1575.41 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2940.00      2086.00      1564.00      1432.00      1073.00       812.00       674.00
 Standard Error        .            .            .          11.07         5.82         4.15         4.64         2.90         1.79

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              560.00       438.00       360.00       212.00       125.00
 Standard Error       1.56         1.18         1.14         1.11          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2073.87                2.20     (  2069.56,   2078.18 )
 (Limited to   4015.0 )
 Median:    1668.00                4.36     (  1659.45,   1676.55 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3006.00      2561.00      1972.00      1668.00      1331.00      1083.00       917.00       762.00
 Standard Error        .            .           7.99         6.15         4.36         3.91         2.58         1.92         1.61

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              621.00       484.00       310.00       189.00        85.00
 Standard Error       1.40         1.45         1.18          .76          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2080.39                1.66     (  2077.14,   2083.65 )
 (Limited to   3996.0 )
 Median:    1750.00                3.22     (  1743.69,   1756.31 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3195.00      2590.00      2094.00      1750.00      1480.00      1180.00       962.00       762.00
 Standard Error        .           7.59         6.24         4.52         3.22         2.80         2.40         1.87         1.59

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              580.00       434.00       323.00       198.00       112.00
 Standard Error       1.26          .90          .73          .54          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1947.77                1.88     (  1944.10,   1951.45 )
 (Limited to   3996.0 )
 Median:    1469.00                3.76     (  1461.64,   1476.36 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3014.00      2347.00      1828.00      1469.00      1160.00       915.00       716.00       567.00
 Standard Error        .           8.29         7.24         5.16         3.76         2.97         2.26         1.69         1.40

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              406.00       287.00       196.00       140.00        69.00
 Standard Error       1.20          .80          .52          .37          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1680.54                2.41     (  1675.82,   1685.25 )
 (Limited to   3968.0 )
 Median:    1084.00                2.85     (  1078.41,   1089.59 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             3283.00      1896.00      1498.00      1291.00      1084.00       874.00       728.00       602.00       512.00
 Standard Error        .           9.24         4.44         2.92         2.85         2.40         1.71         1.35         1.24

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              391.00       297.00       231.00       156.00        88.00
 Standard Error       1.18          .81          .63          .51          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1996.92                2.42     (  1992.17,   2001.67 )
 (Limited to   4010.0 )
 Median:    1715.00                4.77     (  1705.65,   1724.35 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3379.00      2487.00      1969.00      1715.00      1308.00       987.00       772.00       567.00
 Standard Error        .            .          10.00         5.63         4.77         4.90         3.55         2.58         2.21

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              384.00       308.00       210.00       138.00        64.00
 Standard Error       1.38          .87          .74          .53          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2064.96                1.84     (  2061.35,   2068.57 )
 (Limited to   4015.0 )
 Median:    1768.00                3.67     (  1760.80,   1775.20 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3117.00      2797.00      2167.00      1768.00      1513.00      1161.00       856.00       703.00
 Standard Error        .           6.88         6.15         5.92         3.67         3.24         3.23         2.12         1.37

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              543.00       407.00       280.00       188.00        90.00
 Standard Error       1.20          .96          .73          .51          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2093.62                2.22     (  2089.26,   2097.97 )
 (Limited to   3997.0 )
 Median:    1733.00                6.66     (  1719.95,   1746.05 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3491.00      2982.00      2364.00      1733.00      1343.00      1118.00       875.00       705.00
 Standard Error        .            .           8.28         8.60         6.66         3.80         2.85         2.36         1.73

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              553.00       405.00       293.00       189.00       101.00
 Standard Error       1.44         1.15          .80          .62          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1789.92                2.55     (  1784.92,   1794.92 )
 (Limited to   3976.0 )
 Median:    1324.00                3.37     (  1317.39,   1330.61 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             3286.00      2368.00      1840.00      1598.00      1324.00      1141.00       896.00       692.00       539.00
 Standard Error        .           8.27         5.94         3.95         3.37         3.13         2.87         2.20         1.70

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              414.00       355.00       214.00       170.00        75.00
 Standard Error       1.03         1.05          .81          .51          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2100.95                2.88     (  2095.31,   2106.60 )
 (Limited to   3997.0 )
 Median:    1891.00                7.91     (  1875.49,   1906.51 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3182.00      2965.00      2349.00      1891.00      1547.00      1127.00       899.00       673.00
 Standard Error        .            .           9.26         9.92         7.91         6.41         4.99         3.40         2.88

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              499.00       362.00       233.00       162.00        70.00
 Standard Error       1.99         1.51         1.05          .73          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2013.24                2.12     (  2009.08,   2017.39 )
 (Limited to   3987.0 )
 Median:    1537.00                4.22     (  1528.73,   1545.27 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3028.00      2443.00      1954.00      1537.00      1270.00      1030.00       874.00       723.00
 Standard Error        .            .           7.81         6.12         4.22         3.07         2.30         1.70         1.66

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              550.00       374.00       261.00       182.00        67.00
 Standard Error       1.62         1.20          .70          .61          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1882.84                2.50     (  1877.94,   1887.74 )
 (Limited to   4002.0 )
 Median:    1390.00                4.62     (  1380.94,   1399.06 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2455.00      2121.00      1727.00      1390.00      1093.00       899.00       682.00       571.00
 Standard Error        .          10.29         5.70         5.59         4.62         3.61         2.83         2.17         1.32

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              469.00       346.00       236.00       181.00        98.00
 Standard Error       1.28         1.23          .75          .55          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1980.84                3.08     (  1974.81,   1986.87 )
 (Limited to   3925.0 )
 Median:    1534.00                4.79     (  1524.61,   1543.39 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3312.00      2304.00      1791.00      1534.00      1249.00      1070.00       818.00       641.00
 Standard Error        .            .          12.35         7.78         4.79         4.05         3.65         3.34         2.26

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              511.00       407.00       310.00       196.00       100.00
 Standard Error       1.55         1.30         1.16          .99          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor DENTAGE = under 30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2132.63                3.85     (  2125.08,   2140.17 )
 (Limited to   3986.0 )
 Median:    1681.00                5.79     (  1669.66,   1692.34 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        1994.00      1681.00      1492.00      1287.00       854.00       637.00
 Standard Error        .            .            .            .           5.79         4.80         6.12         6.09         3.00

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              539.00       378.00       247.00       182.00        56.00
 Standard Error       2.09         2.15         1.25         1.00          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor DENTAGE = 30 to 39




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2137.51                2.96     (  2131.71,   2143.31 )
 (Limited to   4010.0 )
 Median:    1899.00                6.36     (  1886.54,   1911.46 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3153.00      2772.00      2243.00      1899.00      1526.00      1229.00       909.00       731.00
 Standard Error        .            .          10.31         8.27         6.36         5.39         5.14         3.55         2.28

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              574.00       459.00       351.00       189.00       115.00
 Standard Error       1.71         1.32         1.30          .96          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor DENTAGE = 40 to 49




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1896.08                3.12     (  1889.96,   1902.19 )
 (Limited to   4010.0 )
 Median:    1310.00                5.97     (  1298.30,   1321.70 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2804.00      2179.00      1760.00      1310.00      1026.00       869.00       736.00       528.00
 Standard Error        .          12.62         9.75         7.49         5.97         3.54         2.23         2.38         2.34

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              380.00       322.00       214.00       175.00        83.00
 Standard Error       1.29          .98          .70          .56          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor DENTAGE = 50 or older




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2049.49                3.93     (  2041.79,   2057.19 )
 (Limited to   4002.0 )
 Median:    1890.00                9.79     (  1870.82,   1909.18 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             3345.00      3152.00      3152.00      2423.00      1890.00      1471.00      1225.00       986.00       671.00
 Standard Error        .          11.25        17.65         9.94         9.79         6.47         4.92         5.00         3.40

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              555.00       453.00       284.00       192.00        91.00
 Standard Error       1.67         1.89         1.54          .93          .



 Survival Analysis for TIME     Time to reintervention

                                  Total     Number      Number       Percent
                                            Events     Censored     Censored

PATAGEG2       18 to 29          ******     ******      ******         63.65
  DENTAGE        under 30        924000     345000      579000         62.66
  DENTAGE        30 to 39        ******     441000      823000         65.11
  DENTAGE        40 to 49        685000     245000      440000         64.23
  DENTAGE        50 or older     368000     147000      221000         60.05

PATAGEG2       30 to 39          ******     ******      ******         59.93
  DENTAGE        under 30        ******     408000      644000         61.22
  DENTAGE        30 to 39        ******     632000      948000         60.00
  DENTAGE        40 to 49        913000     377000      536000         58.71
  DENTAGE        50 or older     488000     199000      289000         59.22

PATAGEG2       40 to 49          ******     ******      ******         55.10
  DENTAGE        under 30        808000     345000      463000         57.30
  DENTAGE        30 to 39        ******     599000      806000         57.37
  DENTAGE        40 to 49        ******     510000      594000         53.80
  DENTAGE        50 or older     672000     337000      335000         49.85

PATAGEG2       50 to 59          ******     ******      ******         57.70
  DENTAGE        under 30        704000     310000      394000         55.97
  DENTAGE        30 to 39        ******     526000      729000         58.09
  DENTAGE        40 to 49        921000     363000      558000         60.59
  DENTAGE        50 or older     664000     300000      364000         54.82

PATAGEG2       60 to 69          ******     ******      ******         56.15
  DENTAGE        under 30        458000     200000      258000         56.33
  DENTAGE        30 to 39        942000     401000      541000         57.43
  DENTAGE        40 to 49        612000     288000      324000         52.94
  DENTAGE        50 or older     437000     185000      252000         57.67

PATAGEG2       70 or older       ******     706000      ******         61.10
  DENTAGE        under 30        317000     121000      196000         61.83
  DENTAGE        30 to 39        576000     212000      364000         63.19
  DENTAGE        40 to 49        535000     232000      303000         56.64
  DENTAGE        50 or older     387000     141000      246000         63.57

Overall                        19071000    7864000    11207000         58.76



Survival; patageg2: 18 to 29

Survival; patageg2: 30 to 39

Survival; patageg2: 40 to 49

Survival; patageg2: 50 to 59

Survival; patageg2: 60 to 69

Survival; patageg2: 70 or older

>Warning # 3211
>On at least one case, the value of the weight variable was zero, negative,
>or missing.  Such cases are invisible to statistical procedures and graphs
>which need positively weighted cases, but remain on the file and are
>processed by non-statistical facilities such as LIST and SAVE.