* 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\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 counqual intgrp feesgrp
 patageg2 weight reint time.
* Fees by 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  feesgrp /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 10-APR-2003 19:12:09
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 157878
Syntax KM
time by feesgrp /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 0:00:12.10

 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      3265.35                 .88     (  3263.62,   3267.08 )
 (Limited to   4013.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        3375.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             2872.00      2193.00      1442.00       798.00       362.00
 Standard Error       3.89         3.96         3.19         1.97          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2625.09                 .71     (  2623.71,   2626.48 )
 (Limited to   4015.0 )
 Median:    3115.00                3.31     (  3108.52,   3121.48 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3775.00      3115.00      2636.00      2204.00      1834.00      1507.00
 Standard Error        .            .            .            .           3.31         2.37         1.91         1.54         1.34

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1169.00       878.00       638.00       370.00       183.00
 Standard Error       1.14          .87          .72          .53          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2016.84                 .98     (  2014.92,   2018.75 )
 (Limited to   4016.0 )
 Median:    1584.00                1.66     (  1580.75,   1587.25 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             3897.00      2896.00      2345.00      1897.00      1584.00      1352.00      1170.00       966.00       792.00
 Standard Error        .           4.10         3.44         2.43         1.66         1.20         1.07          .97          .81

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              631.00       491.00       352.00       219.00       116.00
 Standard Error        .65          .54          .46          .33          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      3285.11                 .90     (  3283.34,   3286.87 )
 (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                 .            .            .            .            .            .            .        3928.00      3566.00
 Standard Error        .            .            .            .            .            .            .            .           4.92

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             2814.00      2245.00      1593.00       949.00       363.00
 Standard Error       4.52         3.54         3.05         2.28          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2665.63                 .63     (  2664.39,   2666.87 )
 (Limited to   4016.0 )
 Median:    3327.00                2.91     (  3321.29,   3332.71 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3894.00      3327.00      2855.00      2362.00      1938.00      1536.00
 Standard Error        .            .            .            .           2.91         2.34         1.99         1.63         1.40

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1169.00       869.00       625.00       382.00       184.00
 Standard Error       1.08          .79          .61          .46          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2018.14                 .86     (  2016.45,   2019.83 )
 (Limited to   4016.0 )
 Median:    1585.00                1.48     (  1582.10,   1587.90 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2783.00      2307.00      1919.00      1585.00      1362.00      1128.00       932.00       728.00
 Standard Error        .            .           2.54         2.02         1.48         1.16         1.04          .89          .77

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              564.00       449.00       328.00       202.00       112.00
 Standard Error        .54          .41          .38          .28          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      3230.70                 .94     (  3228.87,   3232.54 )
 (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                 .            .            .            .            .            .            .            .        3084.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             2492.00      1982.00      1513.00       965.00       453.00
 Standard Error       3.78         2.79         2.45         2.00          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2614.00                 .60     (  2612.82,   2615.17 )
 (Limited to   4015.0 )
 Median:    3217.00                3.27     (  3210.59,   3223.41 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3935.00      3217.00      2619.00      2127.00      1757.00      1433.00
 Standard Error        .            .            .            .           3.27         2.36         1.70         1.26         1.10

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1099.00       809.00       570.00       364.00       187.00
 Standard Error        .95          .72          .53          .38          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1918.45                 .80     (  1916.88,   1920.02 )
 (Limited to   4008.0 )
 Median:    1467.00                1.45     (  1464.16,   1469.84 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2602.00      2159.00      1790.00      1467.00      1195.00       994.00       832.00       671.00
 Standard Error        .           2.68         2.17         1.76         1.45         1.10          .81          .69          .59

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              535.00       395.00       287.00       188.00       105.00
 Standard Error        .51          .42          .31          .23          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      3124.67                1.15     (  3122.41,   3126.94 )
 (Limited to   4015.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .        3282.00      2851.00
 Standard Error        .            .            .            .            .            .            .            .           4.81

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             2260.00      1689.00      1134.00       641.00       295.00
 Standard Error       4.45         3.61         2.80         1.78          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2372.66                 .64     (  2371.41,   2373.91 )
 (Limited to   4015.0 )
 Median:    2409.00                1.92     (  2405.23,   2412.77 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3648.00      2842.00      2409.00      1982.00      1626.00      1338.00      1070.00
 Standard Error        .            .            .           3.03         1.92         1.62         1.24         1.01          .81

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              855.00       651.00       468.00       301.00       169.00
 Standard Error        .65          .54          .43          .30          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1643.60                 .80     (  1642.03,   1645.17 )
 (Limited to   4002.0 )
 Median:    1087.00                 .92     (  1085.20,   1088.80 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             3033.00      1860.00      1499.00      1288.00      1087.00       903.00       754.00       623.00       500.00
 Standard Error        .           1.97         1.43         1.01          .92          .77          .62          .53          .46

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              388.00       295.00       211.00       172.00        89.00
 Standard Error        .38          .30          .19          .16          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2941.89                1.41     (  2939.12,   2944.65 )
 (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                 .            .            .            .            .        3854.00      3494.00      2638.00      2076.00
 Standard Error        .            .            .            .            .            .           7.47         7.35         4.58

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1633.00      1240.00       910.00       583.00       252.00
 Standard Error       3.37         2.60         1.98         1.62          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2197.61                 .71     (  2196.23,   2199.00 )
 (Limited to   4016.0 )
 Median:    1994.00                1.73     (  1990.61,   1997.39 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3588.00      2905.00      2395.00      1994.00      1631.00      1327.00      1094.00       867.00
 Standard Error        .            .           3.24         2.23         1.73         1.42         1.09          .87          .74

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              674.00       514.00       367.00       218.00       138.00
 Standard Error        .58          .46          .38          .25          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1523.20                 .94     (  1521.35,   1525.05 )
 (Limited to   4009.0 )
 Median:     950.00                 .89     (   948.25,    951.75 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             2582.00      1680.00      1327.00      1121.00       950.00       793.00       647.00       551.00       436.00
 Standard Error       3.41         2.25         1.64         1.09          .89          .81          .62          .52          .44

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              363.00       271.00       203.00       156.00        84.00
 Standard Error        .36          .32          .20          .17          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2855.57                1.70     (  2852.23,   2858.91 )
 (Limited to   4015.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3773.00      3659.00      2413.00      1975.00
 Standard Error        .            .            .            .            .            .          12.59         7.97         5.58

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1255.00       946.00       637.00       407.00       189.00
 Standard Error       4.45         2.33         1.77         1.18          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2010.48                 .89     (  2008.73,   2012.23 )
 (Limited to   4010.0 )
 Median:    1579.00                1.99     (  1575.10,   1582.90 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2992.00      2470.00      2051.00      1579.00      1282.00      1049.00       859.00       711.00
 Standard Error        .           3.64         2.97         2.51         1.99         1.30          .97          .74          .61

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              560.00       405.00       301.00       198.00       133.00
 Standard Error        .58          .44          .31          .21          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1391.73                1.12     (  1389.53,   1393.92 )
 (Limited to   4004.0 )
 Median:     832.00                 .97     (   830.10,    833.90 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             2066.00      1398.00      1146.00      1002.00       832.00       708.00       568.00       467.00       387.00
 Standard Error       4.38         1.81         1.35         1.07          .97          .83          .75          .54          .42

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              315.00       234.00       185.00       140.00        78.00
 Standard Error        .39          .31          .20          .19          .



 Survival Analysis for TIME     Time to reintervention

                                    Total     Number      Number       Percent
                                              Events     Censored     Censored

PATAGEG2       18 to 29            ******     ******      ******         67.96
  FEESGRP        under £30         ******     550000      ******         81.67
  FEESGRP        £30 to £79.99     ******     ******      ******         67.61
  FEESGRP        £80 or more       ******     ******      ******         59.46

PATAGEG2       30 to 39            ******     ******      ******         67.99
  FEESGRP        under £30         ******     510000      ******         83.60
  FEESGRP        £30 to £79.99     ******     ******      ******         69.23
  FEESGRP        £80 or more       ******     ******      ******         57.32

PATAGEG2       40 to 49            ******     ******      ******         65.39
  FEESGRP        under £30         ******     529000      ******         82.64
  FEESGRP        £30 to £79.99     ******     ******      ******         67.27
  FEESGRP        £80 or more       ******     ******      ******         53.48

PATAGEG2       50 to 59            ******     ******      ******         60.50
  FEESGRP        under £30         ******     438000      ******         81.15
  FEESGRP        £30 to £79.99     ******     ******      ******         63.00
  FEESGRP        £80 or more       ******     ******      ******         48.23

PATAGEG2       60 to 69            ******     ******      ******         57.90
  FEESGRP        under £30         ******     392000      ******         76.71
  FEESGRP        £30 to £79.99     ******     ******      ******         59.67
  FEESGRP        £80 or more       ******     ******      ******         47.18

PATAGEG2       70 or older         ******     ******      ******         57.22
  FEESGRP        under £30         ******     329000      ******         76.18
  FEESGRP        £30 to £79.99     ******     ******      ******         59.19
  FEESGRP        £80 or more       ******     ******      ******         44.13

Overall                          91847000   33680000    58167000         63.33



>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  feesgrp /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 10-APR-2003 19:12:21
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 354061
Syntax KM
time by feesgrp /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 0:00:16.96




 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      3291.46                 .33     (  3290.82,   3292.10 )
 (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                 .            .            .            .            .            .            .            .        3388.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             2736.00      2154.00      1600.00      1075.00       562.00
 Standard Error       1.55         1.21          .96          .74          .53



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2679.13                 .35     (  2678.45,   2679.81 )
 (Limited to   4016.0 )
 Median:    3298.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3298.00      2737.00      2288.00      1891.00      1541.00
 Standard Error        .            .            .            .            .           1.32         1.01          .82          .63

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1264.00       991.00       725.00       487.00       254.00
 Standard Error        .51          .45          .36          .28          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2268.04                 .62     (  2266.82,   2269.25 )
 (Limited to   4011.0 )
 Median:    2144.00                1.69     (  2140.69,   2147.31 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3609.00      3038.00      2559.00      2144.00      1765.00      1489.00      1212.00      1002.00
 Standard Error        .            .           2.65         2.05         1.69         1.29         1.02          .83          .64

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              809.00       629.00       473.00       307.00       170.00
 Standard Error        .53          .43          .35          .27          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      3169.07                 .41     (  3168.27,   3169.88 )
 (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                 .            .            .            .            .            .            .        3683.00      2987.00
 Standard Error        .            .            .            .            .            .            .            .           2.20

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             2357.00      1757.00      1210.00       764.00       386.00
 Standard Error       1.71         1.37          .99          .66          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2596.69                 .35     (  2596.01,   2597.38 )
 (Limited to   4016.0 )
 Median:    3156.00                1.81     (  3152.45,   3159.55 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3885.00      3156.00      2590.00      2093.00      1696.00      1357.00
 Standard Error        .            .            .            .           1.81         1.32         1.01          .77          .61

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1062.00       816.00       574.00       371.00       187.00
 Standard Error        .48          .39          .31          .22          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2124.32                 .63     (  2123.09,   2125.55 )
 (Limited to   4016.0 )
 Median:    1856.00                1.27     (  1853.51,   1858.49 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3100.00      2598.00      2198.00      1856.00      1581.00      1291.00      1078.00       876.00
 Standard Error        .           3.10         2.08         1.61         1.27         1.09          .91          .71          .62

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              687.00       533.00       376.00       239.00       130.00
 Standard Error        .50          .41          .34          .24          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      3090.97                 .54     (  3089.91,   3092.02 )
 (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                 .            .            .            .            .            .            .        3288.00      2707.00
 Standard Error        .            .            .            .            .            .            .            .           2.36

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             2077.00      1519.00      1062.00       651.00       298.00
 Standard Error       2.02         1.49         1.08          .77          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2499.92                 .40     (  2499.14,   2500.70 )
 (Limited to   4015.0 )
 Median:    2863.00                1.69     (  2859.70,   2866.30 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3470.00      2863.00      2334.00      1903.00      1519.00      1179.00
 Standard Error        .            .            .            .           1.69         1.29         1.01          .83          .64

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              919.00       690.00       483.00       307.00       161.00
 Standard Error        .48          .39          .30          .21          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2053.02                 .69     (  2051.67,   2054.37 )
 (Limited to   4016.0 )
 Median:    1623.00                1.43     (  1620.19,   1625.81 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3098.00      2534.00      2013.00      1623.00      1337.00      1097.00       895.00       733.00
 Standard Error        .            .           2.58         2.03         1.43         1.07          .85          .67          .53

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              586.00       422.00       302.00       189.00        92.00
 Standard Error        .49          .41          .29          .22          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2998.72                 .83     (  2997.10,   3000.33 )
 (Limited to   4015.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        3624.00      2939.00      2343.00
 Standard Error        .            .            .            .            .            .            .           4.06         3.10

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1837.00      1270.00       873.00       563.00       272.00
 Standard Error       2.58         2.02         1.26          .87          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2433.92                 .52     (  2432.90,   2434.95 )
 (Limited to   4015.0 )
 Median:    2598.00                2.14     (  2593.81,   2602.19 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3277.00      2598.00      2119.00      1732.00      1381.00      1106.00
 Standard Error        .            .            .            .           2.14         1.48         1.17          .93          .74

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              847.00       627.00       441.00       284.00       151.00
 Standard Error        .61          .46          .34          .24          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1842.95                 .83     (  1841.32,   1844.58 )
 (Limited to   4010.0 )
 Median:    1337.00                1.36     (  1334.34,   1339.66 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             3956.00      2387.00      2010.00      1643.00      1337.00      1108.00       898.00       730.00       576.00
 Standard Error        .           2.67         2.05         1.73         1.36         1.07          .88          .71          .60

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              444.00       352.00       244.00       165.00        73.00
 Standard Error        .44          .36          .29          .23          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2956.78                1.20     (  2954.42,   2959.14 )
 (Limited to   4010.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        3761.00      2969.00      2159.00
 Standard Error        .            .            .            .            .            .            .           6.87         4.93

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1688.00      1163.00       727.00       454.00       216.00
 Standard Error       3.43         2.87         1.82         1.08          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2385.07                 .69     (  2383.71,   2386.42 )
 (Limited to   4016.0 )
 Median:    2513.00                2.57     (  2507.96,   2518.04 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3883.00      3090.00      2513.00      2002.00      1624.00      1288.00      1027.00
 Standard Error        .            .            .           3.54         2.57         1.95         1.46         1.15          .90

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              788.00       586.00       411.00       266.00       165.00
 Standard Error        .73          .57          .42          .27          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1941.11                1.27     (  1938.63,   1943.59 )
 (Limited to   4001.0 )
 Median:    1422.00                2.28     (  1417.54,   1426.46 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2644.00      2225.00      1790.00      1422.00      1182.00       974.00       805.00       630.00
 Standard Error        .           7.01         3.60         3.16         2.28         1.65         1.32         1.13         1.04

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              466.00       357.00       251.00       180.00        97.00
 Standard Error        .77          .56          .41          .30          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      3000.71                1.83     (  2997.13,   3004.30 )
 (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                 .            .            .            .            .            .            .        3015.00      2496.00
 Standard Error        .            .            .            .            .            .            .            .           7.54

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1744.00      1112.00       747.00       455.00       224.00
 Standard Error       7.04         4.45         2.45         1.63          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2298.85                1.08     (  2296.73,   2300.97 )
 (Limited to   4009.0 )
 Median:    2247.00                3.12     (  2240.88,   2253.12 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3968.00      3531.00      2677.00      2247.00      1845.00      1454.00      1197.00       949.00
 Standard Error        .            .           5.23         4.93         3.12         2.60         1.98         1.44         1.20

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              743.00       553.00       385.00       231.00       126.00
 Standard Error        .97          .79          .62          .42          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1841.81                1.89     (  1838.11,   1845.52 )
 (Limited to   4016.0 )
 Median:    1257.00                2.90     (  1251.32,   1262.68 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2383.00      1958.00      1584.00      1257.00      1055.00       908.00       755.00       568.00
 Standard Error        .           6.86         4.99         3.97         2.90         1.83         1.48         1.62         1.45

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              430.00       358.00       244.00       175.00        77.00
 Standard Error        .87          .71          .61          .47          .



 Survival Analysis for TIME     Time to reintervention

                                    Total     Number      Number       Percent
                                              Events     Censored     Censored

PATAGEG2       18 to 29            ******     ******      ******         72.40
  FEESGRP        under £30         ******     ******      ******         81.96
  FEESGRP        £30 to £79.99     ******     ******      ******         68.11
  FEESGRP        £80 or more       ******     ******      ******         65.24

PATAGEG2       30 to 39            ******     ******      ******         69.32
  FEESGRP        under £30         ******     ******      ******         80.59
  FEESGRP        £30 to £79.99     ******     ******      ******         66.48
  FEESGRP        £80 or more       ******     ******      ******         59.29

PATAGEG2       40 to 49            ******     ******      ******         66.10
  FEESGRP        under £30         ******     ******      ******         78.73
  FEESGRP        £30 to £79.99     ******     ******      ******         64.25
  FEESGRP        £80 or more       ******     ******      ******         55.72

PATAGEG2       50 to 59            ******     ******      ******         63.70
  FEESGRP        under £30         ******     ******      ******         78.08
  FEESGRP        £30 to £79.99     ******     ******      ******         63.66
  FEESGRP        £80 or more       ******     ******      ******         50.56

PATAGEG2       60 to 69            ******     ******      ******         62.50
  FEESGRP        under £30         ******     529000      ******         75.61
  FEESGRP        £30 to £79.99     ******     ******      ******         61.66
  FEESGRP        £80 or more       ******     ******      ******         53.43

PATAGEG2       70 or older         ******     ******      ******         63.95
  FEESGRP        under £30         ******     223000      795000         78.09
  FEESGRP        £30 to £79.99     ******     ******      ******         63.35
  FEESGRP        £80 or more       ******     545000      628000         53.54

Overall                          ********   62116000    ********         68.33



>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  feesgrp /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 10-APR-2003 19:12:38
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 32397
Syntax KM
time by feesgrp /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 0:00:07.55




 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2752.10                1.94     (  2748.30,   2755.91 )
 (Limited to   3966.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3030.00      2609.00      2224.00      1714.00
 Standard Error        .            .            .            .            .            .           5.50         5.86         5.44

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1292.00      1053.00       754.00       504.00       210.00
 Standard Error       3.49         2.53         2.24         1.76          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2154.92                1.64     (  2151.70,   2158.13 )
 (Limited to   3994.0 )
 Median:    1968.00                4.11     (  1959.94,   1976.06 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3254.00      2724.00      2385.00      1968.00      1625.00      1420.00      1171.00       965.00
 Standard Error        .           5.56         5.15         4.30         4.11         2.72         2.21         2.08         1.83

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              750.00       553.00       385.00       247.00       137.00
 Standard Error       1.57         1.28          .95          .64          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1811.33                2.59     (  1806.26,   1816.41 )
 (Limited to   4014.0 )
 Median:    1338.00                3.73     (  1330.69,   1345.31 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             3843.00      2331.00      1926.00      1610.00      1338.00      1135.00       925.00       727.00       604.00
 Standard Error      20.96         7.33         6.19         4.49         3.73         3.03         2.67         2.04         1.38

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              500.00       371.00       252.00       167.00        82.00
 Standard Error       1.27         1.21          .90          .61          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2660.96                2.03     (  2656.97,   2664.94 )
 (Limited to   4010.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3105.00      2364.00      1813.00      1377.00
 Standard Error        .            .            .            .            .            .           8.46         5.75         4.21

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1032.00       781.00       493.00       281.00       145.00
 Standard Error       2.91         2.32         1.85         1.06          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2044.16                1.36     (  2041.49,   2046.84 )
 (Limited to   4004.0 )
 Median:    1581.00                3.05     (  1575.02,   1586.98 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3089.00      2615.00      2084.00      1581.00      1337.00      1053.00       850.00       659.00
 Standard Error        .            .           4.85         4.49         3.05         2.07         1.82         1.37         1.15

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              507.00       381.00       240.00       170.00        77.00
 Standard Error        .86          .75          .52          .33          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1770.14                2.02     (  1766.18,   1774.11 )
 (Limited to   4002.0 )
 Median:    1213.00                3.27     (  1206.60,   1219.40 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             3641.00      2443.00      1859.00      1534.00      1213.00       957.00       786.00       648.00       498.00
 Standard Error        .           6.72         5.64         4.00         3.27         2.37         1.65         1.44         1.19

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              391.00       285.00       205.00       151.00        70.00
 Standard Error        .94          .75          .47          .40          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2561.58                2.19     (  2557.28,   2565.88 )
 (Limited to   4004.0 )
 Median:    3187.00                8.23     (  3170.86,   3203.14 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3769.00      3187.00      2883.00      2181.00      1538.00      1268.00
 Standard Error        .            .            .            .           8.23         7.85         8.78         5.82         3.82

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              859.00       620.00       421.00       261.00       130.00
 Standard Error       3.38         2.03         1.44          .98          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2002.84                1.29     (  2000.32,   2005.37 )
 (Limited to   4014.0 )
 Median:    1575.00                2.91     (  1569.30,   1580.70 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2874.00      2415.00      2007.00      1575.00      1253.00       959.00       796.00       619.00
 Standard Error        .            .           3.81         3.39         2.91         2.25         1.59         1.12         1.03

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              464.00       351.00       252.00       175.00        79.00
 Standard Error        .77          .56          .41          .34          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1590.99                1.82     (  1587.42,   1594.56 )
 (Limited to   3992.0 )
 Median:     960.00                2.18     (   955.72,    964.28 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             3060.00      1807.00      1489.00      1223.00       960.00       814.00       642.00       519.00       429.00
 Standard Error       8.03         5.26         3.30         2.91         2.18         1.67         1.44         1.00          .77

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              342.00       258.00       175.00       104.00        47.00
 Standard Error        .72          .64          .53          .37          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2670.42                2.65     (  2665.22,   2675.62 )
 (Limited to   4009.0 )
 Median:    3349.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3349.00      3019.00      2563.00      2108.00      1485.00
 Standard Error        .            .            .            .            .           9.06         8.07         9.29         7.05

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1130.00       792.00       562.00       327.00       167.00
 Standard Error       4.42         3.19         2.35         1.56          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1955.36                1.42     (  1952.58,   1958.14 )
 (Limited to   4011.0 )
 Median:    1511.00                2.62     (  1505.86,   1516.14 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2675.00      2098.00      1845.00      1511.00      1238.00      1030.00       851.00       665.00
 Standard Error        .           7.58         4.05         2.71         2.62         1.98         1.53         1.38         1.09

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              539.00       398.00       282.00       182.00        91.00
 Standard Error        .86          .76          .55          .41          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1552.96                1.88     (  1549.28,   1556.65 )
 (Limited to   3997.0 )
 Median:     928.00                2.17     (   923.74,    932.26 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             3062.00      1824.00      1446.00      1168.00       928.00       746.00       609.00       500.00       413.00
 Standard Error       9.19         3.80         3.62         2.74         2.17         1.59         1.19          .90          .80

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              316.00       229.00       178.00       132.00        45.00
 Standard Error        .74          .53          .32          .37          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2526.14                3.46     (  2519.36,   2532.92 )
 (Limited to   4011.0 )
 Median:    2891.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2891.00      2498.00      1792.00      1378.00      1101.00
 Standard Error        .            .            .            .            .          14.00        10.88         6.22         5.24

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              791.00       616.00       432.00       327.00       186.00
 Standard Error       3.69         2.50         1.69         1.21          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2004.21                1.59     (  2001.10,   2007.33 )
 (Limited to   4015.0 )
 Median:    1520.00                3.07     (  1513.98,   1526.02 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3113.00      2465.00      1909.00      1520.00      1257.00      1006.00       794.00       629.00
 Standard Error        .            .           6.13         4.48         3.07         2.31         1.95         1.52         1.25

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              468.00       371.00       233.00       173.00        78.00
 Standard Error        .91          .76          .57          .37          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1723.75                2.45     (  1718.94,   1728.56 )
 (Limited to   3972.0 )
 Median:    1091.00                2.98     (  1085.15,   1096.85 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        1837.00      1584.00      1333.00      1091.00       898.00       712.00       592.00       440.00
 Standard Error        .           8.96         4.06         3.51         2.98         2.52         1.98         1.69         1.31

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              364.00       245.00       181.00       134.00        76.00
 Standard Error       1.09          .88          .50          .40          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor FEESGRP = under £30




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2537.90                4.06     (  2529.93,   2545.87 )
 (Limited to   3903.0 )
 Median:    2874.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2874.00      2565.00      2085.00      1694.00      1306.00
 Standard Error        .            .            .            .            .          12.97        13.25         8.38         8.03

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              939.00       794.00       567.00       312.00       175.00
 Standard Error       4.93         3.20         3.74         2.41          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor FEESGRP = £30 to £79.99




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2102.47                2.04     (  2098.48,   2106.46 )
 (Limited to   3994.0 )
 Median:    1468.00                4.93     (  1458.33,   1477.67 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3410.00      2063.00      1468.00      1225.00      1043.00       833.00       623.00
 Standard Error        .            .            .          10.95         4.93         2.34         2.08         2.09         1.50

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              505.00       371.00       267.00       185.00        91.00
 Standard Error       1.07          .93          .64          .51          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor FEESGRP = £80 or more




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1675.71                3.16     (  1669.51,   1681.91 )
 (Limited to   3997.0 )
 Median:    1245.00                5.61     (  1234.00,   1256.00 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             2771.00      2071.00      1728.00      1543.00      1245.00       866.00       736.00       549.00       484.00
 Standard Error        .           4.91         5.19         4.65         5.61         4.32         2.54         1.91         1.27

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              367.00       263.00       181.00       111.00        66.00
 Standard Error       1.47         1.18          .85          .53          .



 Survival Analysis for TIME     Time to reintervention

                                    Total     Number      Number       Percent
                                              Events     Censored     Censored

PATAGEG2       18 to 29            ******     ******      ******         62.47
  FEESGRP        under £30         912000     249000      663000         72.70
  FEESGRP        £30 to £79.99     ******     571000      808000         58.59
  FEESGRP        £80 or more       683000     296000      387000         56.66

PATAGEG2       30 to 39            ******     ******      ******         58.88
  FEESGRP        under £30         993000     282000      711000         71.60
  FEESGRP        £30 to £79.99     ******     942000      ******         55.90
  FEESGRP        £80 or more       ******     491000      551000         52.88

PATAGEG2       40 to 49            ******     ******      ******         55.04
  FEESGRP        under £30         838000     263000      575000         68.62
  FEESGRP        £30 to £79.99     ******     ******      ******         54.24
  FEESGRP        £80 or more       ******     595000      518000         46.54

PATAGEG2       50 to 59            ******     ******      ******         55.66
  FEESGRP        under £30         592000     159000      433000         73.14
  FEESGRP        £30 to £79.99     ******     883000      ******         55.36
  FEESGRP        £80 or more       ******     615000      552000         47.30

PATAGEG2       60 to 69            ******     ******      ******         55.99
  FEESGRP        under £30         385000     115000      270000         70.13
  FEESGRP        £30 to £79.99     ******     724000      879000         54.83
  FEESGRP        £80 or more       675000     333000      342000         50.67

PATAGEG2       70 or older         ******     731000      ******         59.72
  FEESGRP        under £30         250000      71000      179000         71.60
  FEESGRP        £30 to £79.99     ******     452000      681000         60.11
  FEESGRP        £80 or more       432000     208000      224000         51.85

Overall                          19693000    8339000    11354000         57.66



>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.

* Median interval by 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  intgrp /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 10-APR-2003 19:20:04
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 157878
Syntax KM
time by intgrp /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 0:00:11.68




 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2122.28                1.42     (  2119.50,   2125.07 )
 (Limited to   4016.0 )
 Median:    1707.00                3.02     (  1701.08,   1712.92 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3897.00      2594.00      2128.00      1707.00      1458.00      1221.00      1013.00       817.00
 Standard Error        .            .           6.45         4.10         3.02         2.07         1.74         1.47         1.36

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              609.00       407.00       233.00       128.00        56.00
 Standard Error       1.27         1.00          .66          .35          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2531.23                 .75     (  2529.76,   2532.70 )
 (Limited to   4015.0 )
 Median:    3120.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3120.00      2441.00      1904.00      1520.00      1175.00
 Standard Error        .            .            .            .            .           2.98         2.17         1.59         1.26

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              898.00       678.00       470.00       279.00       167.00
 Standard Error        .92          .72          .59          .37          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2713.86                1.04     (  2711.82,   2715.90 )
 (Limited to   4008.0 )
 Median:    3385.00                4.39     (  3376.40,   3393.60 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3775.00      3385.00      2919.00      2534.00      2063.00      1720.00
 Standard Error        .            .            .            .           4.39         3.39         3.24         2.93         2.15

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1378.00      1011.00       716.00       454.00       257.00
 Standard Error       2.00         1.67         1.20          .80          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2990.23                1.06     (  2988.16,   2992.31 )
 (Limited to   4011.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3924.00      3100.00      2741.00      2290.00
 Standard Error        .            .            .            .            .            .           4.96         3.37         3.51

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1811.00      1469.00      1094.00       777.00       460.00
 Standard Error       2.71         2.03         1.64         1.24          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2021.67                1.18     (  2019.36,   2023.98 )
 (Limited to   4010.0 )
 Median:    1633.00                2.33     (  1628.44,   1637.56 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3120.00      2361.00      1950.00      1633.00      1297.00      1044.00       845.00       650.00
 Standard Error        .            .           4.65         2.77         2.33         1.99         1.46         1.20         1.01

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              490.00       365.00       245.00       153.00        63.00
 Standard Error        .75          .58          .45          .32          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2590.82                 .65     (  2589.54,   2592.10 )
 (Limited to   4016.0 )
 Median:    3276.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3276.00      2627.00      2089.00      1664.00      1288.00
 Standard Error        .            .            .            .            .           2.75         2.01         1.53         1.22

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              978.00       710.00       498.00       315.00       168.00
 Standard Error        .93          .70          .50          .35          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2713.61                1.01     (  2711.62,   2715.59 )
 (Limited to   4016.0 )
 Median:    3241.00                3.89     (  3233.37,   3248.63 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3913.00      3241.00      2926.00      2526.00      2055.00      1688.00
 Standard Error        .            .            .            .           3.89         2.99         3.14         2.74         2.25

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1291.00       984.00       721.00       483.00       245.00
 Standard Error       1.86         1.34         1.01          .77          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      3021.31                1.16     (  3019.04,   3023.57 )
 (Limited to   4016.0 )
 Median:    3928.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3928.00      3640.00      3381.00      2899.00      2387.00
 Standard Error        .            .            .            .            .           3.71         4.49         4.64         3.88

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1960.00      1539.00      1169.00       850.00       523.00
 Standard Error       3.08         2.53         1.86         1.38          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1947.75                1.06     (  1945.68,   1949.83 )
 (Limited to   4014.0 )
 Median:    1546.00                2.19     (  1541.71,   1550.29 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2800.00      2267.00      1931.00      1546.00      1260.00       994.00       774.00       606.00
 Standard Error        .           4.32         3.12         2.44         2.19         1.71         1.44         1.08          .86

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              442.00       320.00       207.00       144.00        69.00
 Standard Error        .69          .52          .35          .23          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2522.15                 .60     (  2520.96,   2523.33 )
 (Limited to   4016.0 )
 Median:    3005.00                3.13     (  2998.86,   3011.14 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3731.00      3005.00      2340.00      1884.00      1534.00      1201.00
 Standard Error        .            .            .            .           3.13         2.28         1.53         1.20          .99

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              922.00       675.00       482.00       309.00       174.00
 Standard Error        .79          .59          .43          .30          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2687.19                1.04     (  2685.16,   2689.22 )
 (Limited to   4008.0 )
 Median:    3360.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3360.00      2842.00      2314.00      1932.00      1569.00
 Standard Error        .            .            .            .            .           4.23         3.27         2.44         2.26

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1174.00       931.00       691.00       443.00       269.00
 Standard Error       1.72         1.16         1.01          .72          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2970.72                1.24     (  2968.28,   2973.15 )
 (Limited to   4015.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        3075.00      2591.00      2096.00
 Standard Error        .            .            .            .            .            .            .           4.75         3.32

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1799.00      1392.00      1011.00       761.00       497.00
 Standard Error       2.59         2.56         1.71         1.16          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1653.24                1.00     (  1651.28,   1655.20 )
 (Limited to   4009.0 )
 Median:    1056.00                1.20     (  1053.65,   1058.35 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             3113.00      1981.00      1536.00      1282.00      1056.00       873.00       709.00       581.00       449.00
 Standard Error        .           2.82         2.15         1.46         1.20          .99          .81          .69          .56

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              358.00       260.00       183.00       117.00        64.00
 Standard Error        .44          .37          .27          .19          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2287.67                 .64     (  2286.42,   2288.92 )
 (Limited to   4015.0 )
 Median:    2183.00                1.97     (  2179.15,   2186.85 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3300.00      2694.00      2183.00      1766.00      1430.00      1169.00       931.00
 Standard Error        .            .            .           2.58         1.97         1.49         1.11          .87          .72

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              730.00       549.00       396.00       230.00       161.00
 Standard Error        .58          .46          .38          .23          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2522.47                1.21     (  2520.10,   2524.85 )
 (Limited to   4010.0 )
 Median:    2928.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2928.00      2188.00      1841.00      1462.00      1222.00
 Standard Error        .            .            .            .            .           4.45         2.72         2.14         1.72

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              931.00       722.00       504.00       355.00       214.00
 Standard Error       1.45         1.13          .84          .54          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2778.10                1.53     (  2775.11,   2781.09 )
 (Limited to   4015.0 )
 Median:    3129.00                5.57     (  3118.09,   3139.91 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3765.00      3129.00      2986.00      2747.00      2385.00      1839.00
 Standard Error        .            .            .            .           5.57         2.72         3.60         4.98         4.32

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1467.00      1124.00       882.00       654.00       419.00
 Standard Error       3.04         2.19         1.52         1.21          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1556.12                1.11     (  1553.95,   1558.29 )
 (Limited to   4011.0 )
 Median:     936.00                1.26     (   933.54,    938.46 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             2799.00      1771.00      1422.00      1155.00       936.00       766.00       619.00       504.00       381.00
 Standard Error       4.84         2.99         2.09         1.59         1.26          .99          .79          .69          .58

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              289.00       210.00       167.00       107.00        55.00
 Standard Error        .44          .29          .21          .20          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2189.34                 .70     (  2187.97,   2190.70 )
 (Limited to   4016.0 )
 Median:    1947.00                1.79     (  1943.49,   1950.51 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3886.00      2947.00      2391.00      1947.00      1575.00      1259.00      1028.00       823.00
 Standard Error        .            .           3.81         2.36         1.79         1.42         1.07          .81          .67

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              635.00       478.00       350.00       218.00       147.00
 Standard Error        .55          .41          .33          .22          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2287.29                1.56     (  2284.23,   2290.35 )
 (Limited to   4011.0 )
 Median:    2052.00                3.32     (  2045.49,   2058.51 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3263.00      2436.00      2052.00      1770.00      1445.00      1198.00      1059.00
 Standard Error        .            .            .           6.65         3.32         2.88         2.62         1.66         1.54

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              816.00       636.00       482.00       343.00       212.00
 Standard Error       1.56         1.09          .83          .62          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2638.47                2.12     (  2634.32,   2642.63 )
 (Limited to   4009.0 )
 Median:    3252.00                7.13     (  3238.02,   3265.98 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3898.00      3813.00      3813.00      3252.00      2770.00      2374.00      1827.00      1491.00
 Standard Error        .           4.64         3.11         8.53         7.13         6.65         6.58         5.81         4.01

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1170.00       835.00       631.00       511.00       383.00
 Standard Error       3.32         2.64         1.38          .86          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1483.74                1.31     (  1481.17,   1486.31 )
 (Limited to   4010.0 )
 Median:     845.00                1.32     (   842.42,    847.58 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             2616.00      1522.00      1249.00      1034.00       845.00       679.00       559.00       459.00       374.00
 Standard Error       6.11         2.90         1.93         1.53         1.32         1.04          .76          .61          .54

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              284.00       208.00       166.00       106.00        56.00
 Standard Error        .48          .32          .25          .22          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1996.81                 .86     (  1995.13,   1998.49 )
 (Limited to   4015.0 )
 Median:    1511.00                1.86     (  1507.35,   1514.65 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3080.00      2390.00      1969.00      1511.00      1222.00      1006.00       805.00       664.00
 Standard Error        .           4.45         3.22         2.34         1.86         1.19          .93          .71          .56

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              518.00       385.00       284.00       195.00       142.00
 Standard Error        .51          .39          .27          .18          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2285.73                2.15     (  2281.51,   2289.95 )
 (Limited to   3979.0 )
 Median:    2404.00                6.07     (  2392.10,   2415.90 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3659.00      3045.00      2817.00      2404.00      1914.00      1555.00      1180.00       954.00
 Standard Error        .            .           8.27         5.24         6.07         5.70         4.51         3.21         1.99

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              790.00       633.00       489.00       284.00       188.00
 Standard Error       1.49         1.30         1.25          .89          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2742.13                2.68     (  2736.87,   2747.39 )
 (Limited to   3980.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        2728.00      2521.00      2248.00      1457.00
 Standard Error        .            .            .            .            .            .           7.30         7.41         7.11

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1213.00      1018.00       817.00       540.00       360.00
 Standard Error       3.04         2.29         2.62         1.89          .



 Survival Analysis for TIME     Time to reintervention

                                       Total    Number     Number      Percent
                                                Events    Censored    Censored

PATAGEG2      18 to 29                ******    ******     ******        67.96
  INTGRP        under 150 days        ******    878000     ******        61.20
  INTGRP        150 to 249 days       ******    ******     ******        64.41
  INTGRP        250 to 399 days       ******    912000     ******        70.23
  INTGRP        400 days or longer    ******    627000     ******        78.40

PATAGEG2      30 to 39                ******    ******     ******        67.99
  INTGRP        under 150 days        ******    ******     ******        56.14
  INTGRP        150 to 249 days       ******    ******     ******        66.79
  INTGRP        250 to 399 days       ******    ******     ******        72.10
  INTGRP        400 days or longer    ******    497000     ******        80.00

PATAGEG2      40 to 49                ******    ******     ******        65.39
  INTGRP        under 150 days        ******    ******     ******        53.50
  INTGRP        150 to 249 days       ******    ******     ******        64.48
  INTGRP        250 to 399 days       ******    980000     ******        70.95
  INTGRP        400 days or longer    ******    477000     ******        78.86

PATAGEG2      50 to 59                ******    ******     ******        60.50
  INTGRP        under 150 days        ******    ******     ******        46.63
  INTGRP        150 to 249 days       ******    ******     ******        60.92
  INTGRP        250 to 399 days       ******    867000     ******        68.28
  INTGRP        400 days or longer    ******    394000     ******        75.66

PATAGEG2      60 to 69                ******    ******     ******        57.90
  INTGRP        under 150 days        ******    ******     ******        45.51
  INTGRP        150 to 249 days       ******    ******     ******        58.93
  INTGRP        250 to 399 days       ******    623000     ******        65.16
  INTGRP        400 days or longer    939000    243000     696000        74.12

PATAGEG2      70 or older             ******    ******     ******        57.22
  INTGRP        under 150 days        ******    ******     ******        45.83
  INTGRP        150 to 249 days       ******    ******     ******        57.48
  INTGRP        250 to 399 days       ******    350000     745000        68.04
  INTGRP        400 days or longer    631000    146000     485000        76.86

Overall                             91847000  33680000   58167000        63.33



>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  intgrp /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 10-APR-2003 19:20:16
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 354061
Syntax KM
time by intgrp /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 0:01:53.75




 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2310.13                 .78     (  2308.61,   2311.65 )
 (Limited to   4015.0 )
 Median:    2295.00                1.96     (  2291.16,   2298.84 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3170.00      2650.00      2295.00      1922.00      1571.00      1309.00      1054.00
 Standard Error        .            .            .           2.53         1.96         1.80         1.43         1.13         1.02

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              805.00       586.00       407.00       222.00       104.00
 Standard Error        .85          .64          .50          .34          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2750.10                 .35     (  2749.41,   2750.79 )
 (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                 .            .            .            .            .        3074.00      2553.00      2034.00      1626.00
 Standard Error        .            .            .            .            .            .           1.29         1.05          .78

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1281.00       967.00       698.00       453.00       226.00
 Standard Error        .62          .49          .38          .28          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2920.68                 .47     (  2919.76,   2921.60 )
 (Limited to   4015.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3835.00      3074.00      2515.00      2015.00
 Standard Error        .            .            .            .            .            .           2.50         1.79         1.38

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1610.00      1275.00       958.00       636.00       353.00
 Standard Error       1.02          .79          .67          .51          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      3196.78                 .45     (  3195.90,   3197.65 )
 (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                 .            .            .            .            .            .            .        3463.00      2882.00
 Standard Error        .            .            .            .            .            .            .            .           2.06

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             2360.00      1876.00      1425.00      1033.00       653.00
 Standard Error       1.60         1.27          .97          .71          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2126.35                 .74     (  2124.90,   2127.81 )
 (Limited to   4015.0 )
 Median:    1890.00                1.81     (  1886.46,   1893.54 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3317.00      2769.00      2293.00      1890.00      1533.00      1233.00      1012.00       800.00
 Standard Error        .            .           2.76         2.19         1.81         1.48         1.12          .87          .75

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              616.00       455.00       310.00       186.00        80.00
 Standard Error        .60          .48          .37          .26          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2654.65                 .35     (  2653.97,   2655.34 )
 (Limited to   4016.0 )
 Median:    3564.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3564.00      2806.00      2254.00      1806.00      1421.00
 Standard Error        .            .            .            .            .           1.67         1.15          .88          .68

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1105.00       822.00       567.00       358.00       182.00
 Standard Error        .53          .43          .32          .22          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2820.79                 .55     (  2819.72,   2821.86 )
 (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                 .            .            .            .            .        3406.00      2761.00      2243.00      1805.00
 Standard Error        .            .            .            .            .            .           2.40         1.75         1.43

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1380.00      1062.00       784.00       523.00       300.00
 Standard Error       1.11          .79          .61          .45          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      3092.75                 .62     (  3091.52,   3093.97 )
 (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                 .            .            .            .            .            .        3704.00      3064.00      2586.00
 Standard Error        .            .            .            .            .            .            .           3.04         2.27

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             2098.00      1588.00      1184.00       860.00       548.00
 Standard Error       2.01         1.58         1.07          .75          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2043.97                 .78     (  2042.43,   2045.50 )
 (Limited to   4016.0 )
 Median:    1580.00                1.67     (  1576.73,   1583.27 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3282.00      2615.00      1998.00      1580.00      1303.00      1052.00       848.00       679.00
 Standard Error        .            .           3.39         2.58         1.67         1.21         1.00          .77          .66

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              511.00       358.00       237.00       138.00        62.00
 Standard Error        .58          .45          .32          .21          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2546.67                 .40     (  2545.89,   2547.44 )
 (Limited to   4015.0 )
 Median:    3099.00                2.14     (  3094.81,   3103.19 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3886.00      3099.00      2480.00      1983.00      1576.00      1226.00
 Standard Error        .            .            .            .           2.14         1.51         1.12          .87          .69

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              934.00       693.00       478.00       298.00       165.00
 Standard Error        .52          .40          .31          .20          .14



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2712.54                 .68     (  2711.20,   2713.88 )
 (Limited to   4016.0 )
 Median:    3719.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3719.00      2969.00      2427.00      1954.00      1578.00
 Standard Error        .            .            .            .            .           3.46         2.42         1.83         1.49

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1191.00       906.00       652.00       435.00       238.00
 Standard Error       1.19          .85          .64          .46          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      3084.40                 .84     (  3082.75,   3086.06 )
 (Limited to   4015.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        3675.00      3049.00      2609.00
 Standard Error        .            .            .            .            .            .            .           3.95         3.07

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             2076.00      1554.00      1162.00       814.00       504.00
 Standard Error       2.83         2.12         1.46         1.04          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1823.57                 .92     (  1821.76,   1825.38 )
 (Limited to   4015.0 )
 Median:    1290.00                1.50     (  1287.07,   1292.93 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             3892.00      2417.00      1961.00      1581.00      1290.00      1042.00       842.00       674.00       516.00
 Standard Error        .           3.26         2.46         1.92         1.50         1.20          .94          .80          .65

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              391.00       296.00       203.00       120.00        57.00
 Standard Error        .48          .37          .31          .22          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2434.16                 .52     (  2433.13,   2435.19 )
 (Limited to   4014.0 )
 Median:    2626.00                2.37     (  2621.36,   2630.64 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3422.00      2626.00      2141.00      1732.00      1363.00      1088.00
 Standard Error        .            .            .            .           2.37         1.53         1.23          .95          .75

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              816.00       601.00       420.00       267.00       151.00
 Standard Error        .62          .45          .34          .22          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2705.67                 .97     (  2703.76,   2707.57 )
 (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                 .            .            .            .            .        2905.00      2374.00      1954.00      1551.00
 Standard Error        .            .            .            .            .            .           3.23         2.51         2.08

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1199.00       903.00       658.00       429.00       247.00
 Standard Error       1.61         1.20          .92          .65          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2987.21                1.32     (  2984.63,   2989.79 )
 (Limited to   4015.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .        3900.00      3387.00      2836.00      2280.00
 Standard Error        .            .            .            .            .            .           5.07         5.72         4.78

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1734.00      1283.00      1007.00       714.00       475.00
 Standard Error       3.82         2.53         1.63         1.23          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1892.65                1.28     (  1890.15,   1895.15 )
 (Limited to   4016.0 )
 Median:    1321.00                2.40     (  1316.29,   1325.71 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2637.00      2153.00      1713.00      1321.00      1090.00       880.00       720.00       570.00
 Standard Error        .           5.23         3.81         3.28         2.40         1.63         1.30         1.04          .93

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              429.00       333.00       232.00       173.00        85.00
 Standard Error        .71          .53          .38          .30          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2445.95                 .69     (  2444.60,   2447.30 )
 (Limited to   4015.0 )
 Median:    2685.00                3.21     (  2678.71,   2691.29 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3468.00      2685.00      2159.00      1722.00      1367.00      1097.00
 Standard Error        .            .            .            .           3.21         2.15         1.64         1.21          .97

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              831.00       609.00       413.00       262.00       162.00
 Standard Error        .81          .63          .46          .28          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2669.83                1.53     (  2666.84,   2672.82 )
 (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                 .            .            .            .            .        2788.00      2172.00      1771.00      1417.00
 Standard Error        .            .            .            .            .            .           5.15         3.44         2.88

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1092.00       816.00       585.00       411.00       245.00
 Standard Error       2.25         1.72         1.18          .83          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2956.82                2.16     (  2952.58,   2961.05 )
 (Limited to   4010.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        3472.00      2579.00      2024.00
 Standard Error        .            .            .            .            .            .            .          11.02         5.96

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1723.00      1306.00       938.00       525.00       330.00
 Standard Error       4.65         4.46         3.61         2.18          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1906.52                1.93     (  1902.74,   1910.30 )
 (Limited to   4016.0 )
 Median:    1316.00                3.36     (  1309.42,   1322.58 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2908.00      2171.00      1707.00      1316.00      1091.00       864.00       660.00       492.00
 Standard Error        .            .           7.46         4.82         3.36         2.31         2.10         1.77         1.20

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              385.00       290.00       189.00       123.00        64.00
 Standard Error        .83          .72          .57          .35          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2374.16                1.06     (  2372.09,   2376.23 )
 (Limited to   4007.0 )
 Median:    2415.00                3.70     (  2407.75,   2422.25 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3968.00      3968.00      3015.00      2415.00      1994.00      1552.00      1243.00      1002.00
 Standard Error        .            .          18.48         3.96         3.70         2.86         2.28         1.57         1.18

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              798.00       585.00       412.00       269.00       148.00
 Standard Error       1.01          .85          .60          .42          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2645.55                2.59     (  2640.48,   2650.62 )
 (Limited to   4014.0 )
 Median:    3250.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3250.00      2652.00      2450.00      1861.00      1454.00
 Standard Error        .            .            .            .            .           8.23         6.85         7.34         5.16

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1115.00       895.00       675.00       455.00       237.00
 Standard Error       3.42         2.39         2.13         1.68          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2920.21                3.61     (  2913.13,   2927.28 )
 (Limited to   3988.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .        3407.00      2759.00      2252.00
 Standard Error        .            .            .            .            .            .            .          13.52        13.37

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1588.00      1149.00       774.00       461.00       296.00
 Standard Error      10.90         6.90         4.98         3.04          .



 Survival Analysis for TIME     Time to reintervention

                                       Total    Number     Number      Percent
                                                Events    Censored    Censored

PATAGEG2      18 to 29                ******    ******     ******        72.40
  INTGRP        under 150 days        ******    ******     ******        64.89
  INTGRP        150 to 249 days       ******    ******     ******        68.94
  INTGRP        250 to 399 days       ******    ******     ******        74.18
  INTGRP        400 days or longer    ******    ******     ******        81.39

PATAGEG2      30 to 39                ******    ******     ******        69.32
  INTGRP        under 150 days        ******    ******     ******        57.76
  INTGRP        150 to 249 days       ******    ******     ******        67.38
  INTGRP        250 to 399 days       ******    ******     ******        72.84
  INTGRP        400 days or longer    ******    ******     ******        80.98

PATAGEG2      40 to 49                ******    ******     ******        66.10
  INTGRP        under 150 days        ******    ******     ******        54.34
  INTGRP        150 to 249 days       ******    ******     ******        64.77
  INTGRP        250 to 399 days       ******    ******     ******        70.66
  INTGRP        400 days or longer    ******    865000     ******        80.88

PATAGEG2      50 to 59                ******    ******     ******        63.70
  INTGRP        under 150 days        ******    ******     ******        48.99
  INTGRP        150 to 249 days       ******    ******     ******        63.42
  INTGRP        250 to 399 days       ******    ******     ******        71.45
  INTGRP        400 days or longer    ******    424000     ******        80.17

PATAGEG2      60 to 69                ******    ******     ******        62.50
  INTGRP        under 150 days        ******    ******     ******        50.80
  INTGRP        150 to 249 days       ******    ******     ******        62.58
  INTGRP        250 to 399 days       ******    487000     ******        71.12
  INTGRP        400 days or longer    738000    164000     574000        77.78

PATAGEG2      70 or older             ******    ******     ******        63.95
  INTGRP        under 150 days        ******    546000     624000        53.33
  INTGRP        150 to 249 days       ******    ******     ******        64.69
  INTGRP        250 to 399 days       660000    177000     483000        73.18
  INTGRP        400 days or longer    265000     60000     205000        77.36

Overall                             ********  62116000   ********        68.33



>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  intgrp /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 10-APR-2003 19:22:10
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 32397
Syntax KM
time by intgrp /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 0:00:08.39




 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1642.28                2.93     (  1636.53,   1648.03 )
 (Limited to   3983.0 )
 Median:    1142.00                3.36     (  1135.41,   1148.59 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             2933.00      2010.00      1557.00      1347.00      1142.00       969.00       751.00       604.00       518.00
 Standard Error       8.62         9.37         6.15         3.57         3.36         3.30         2.73         1.64         1.62

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              347.00       250.00       173.00       119.00        52.00
 Standard Error       1.66          .96          .63          .50          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2239.57                1.73     (  2236.19,   2242.95 )
 (Limited to   4011.0 )
 Median:    2087.00                4.89     (  2077.41,   2096.59 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3414.00      3030.00      2627.00      2087.00      1738.00      1454.00      1211.00       952.00
 Standard Error        .            .           5.45         5.55         4.89         3.49         2.58         2.41         1.94

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              760.00       553.00       385.00       230.00       142.00
 Standard Error       1.62         1.37         1.04          .66          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2423.60                2.39     (  2418.92,   2428.28 )
 (Limited to   4014.0 )
 Median:    2542.00                7.20     (  2527.90,   2556.10 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3843.00      2926.00      2542.00      2062.00      1663.00      1423.00      1117.00
 Standard Error        .            .            .           9.69         7.20         6.83         4.50         3.64         3.05

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              929.00       669.00       494.00       331.00       201.00
 Standard Error       2.55         2.18         1.50         1.07          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 18 to 29
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2768.85                2.69     (  2763.58,   2774.11 )
 (Limited to   3976.0 )
 Median:    3214.00                9.43     (  3195.52,   3232.48 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3532.00      3214.00      2743.00      2516.00      2462.00      1857.00
 Standard Error        .            .            .            .           9.43         6.85         3.45         6.51         7.17

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1560.00      1264.00       898.00       713.00       490.00
 Standard Error       4.38         4.59         2.99         1.90          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1713.24                2.50     (  1708.34,   1718.13 )
 (Limited to   4002.0 )
 Median:     957.00                4.10     (   948.97,    965.03 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             3641.00      2539.00      1933.00      1386.00       957.00       775.00       618.00       496.00       392.00
 Standard Error        .           7.97         8.72         6.75         4.10         2.23         1.78         1.36         1.27

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              285.00       183.00       120.00        77.00        35.00
 Standard Error       1.10          .81          .45          .31          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1991.75                1.34     (  1989.13,   1994.37 )
 (Limited to   4010.0 )
 Median:    1533.00                2.43     (  1528.24,   1537.76 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2978.00      2443.00      1882.00      1533.00      1278.00      1040.00       793.00       620.00
 Standard Error        .            .           4.98         3.84         2.43         1.89         1.77         1.45         1.13

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              444.00       344.00       212.00       170.00        89.00
 Standard Error        .83          .64          .42          .25          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2497.55                2.28     (  2493.08,   2502.01 )
 (Limited to   4004.0 )
 Median:    2999.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        2999.00      2416.00      1842.00      1381.00      1071.00
 Standard Error        .            .            .            .            .           9.30         7.24         4.67         3.08

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              853.00       665.00       487.00       336.00       189.00
 Standard Error       2.23         1.76         1.38         1.03          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 30 to 39
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2689.39                2.98     (  2683.55,   2695.24 )
 (Limited to   3965.0 )
 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      2913.00      2566.00      1947.00      1528.00
 Standard Error        .            .            .            .            .          10.68        10.67         8.84         5.11

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1274.00       954.00       769.00       518.00       261.00
 Standard Error       4.36         3.40         2.39         2.29          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1596.05                2.16     (  1591.81,   1600.29 )
 (Limited to   4004.0 )
 Median:    1010.00                2.86     (  1004.40,   1015.60 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             3060.00      1888.00      1491.00      1283.00      1010.00       812.00       625.00       477.00       380.00
 Standard Error       8.96         5.27         3.80         3.03         2.86         2.21         1.89         1.34         1.01

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              279.00       189.00       119.00        70.00        35.00
 Standard Error        .91          .68          .46          .27          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1960.42                1.29     (  1957.90,   1962.95 )
 (Limited to   4014.0 )
 Median:    1475.00                2.85     (  1469.42,   1480.58 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2879.00      2288.00      1886.00      1475.00      1119.00       878.00       707.00       536.00
 Standard Error        .            .           4.17         3.26         2.85         2.12         1.40         1.12          .86

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              427.00       330.00       237.00       173.00        80.00
 Standard Error        .60          .50          .37          .31          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2254.82                2.41     (  2250.10,   2259.54 )
 (Limited to   3952.0 )
 Median:    2378.00                7.09     (  2364.10,   2391.90 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2928.00      2625.00      2378.00      1772.00      1344.00      1129.00       897.00
 Standard Error        .            .            .           5.24         7.09         7.59         4.42         2.90         2.68

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              691.00       518.00       347.00       250.00       126.00
 Standard Error       2.07         1.72         1.16          .81          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 40 to 49
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2638.83                2.99     (  2632.97,   2644.70 )
 (Limited to   4003.0 )
 Median:    3291.00               10.09     (  3271.22,   3310.78 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        3486.00      3291.00      2829.00      2207.00      1727.00      1376.00
 Standard Error        .            .            .            .          10.09        11.75        10.66         7.81         5.49

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1085.00       883.00       692.00       519.00       309.00
 Standard Error       3.73         2.66         2.18         1.93          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1397.79                1.99     (  1393.88,   1401.69 )
 (Limited to   3997.0 )
 Median:     868.00                2.07     (   863.93,    872.07 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value             2057.00      1538.00      1218.00      1027.00       868.00       633.00       547.00       431.00       346.00
 Standard Error       8.43         3.47         3.04         2.08         2.07         1.75         1.06         1.02          .89

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              256.00       178.00       133.00        79.00        35.00
 Standard Error        .75          .52          .37          .30          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1959.92                1.41     (  1957.14,   1962.69 )
 (Limited to   4011.0 )
 Median:    1500.00                2.96     (  1494.20,   1505.80 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2817.00      2201.00      1903.00      1500.00      1208.00       945.00       799.00       624.00
 Standard Error        .           6.72         4.35         3.16         2.96         2.24         1.57         1.18          .99

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              512.00       378.00       266.00       186.00       102.00
 Standard Error        .79          .71          .49          .35          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2399.33                2.83     (  2393.79,   2404.87 )
 (Limited to   3996.0 )
 Median:    2416.00               10.75     (  2394.94,   2437.06 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3538.00      3093.00      2416.00      2011.00      1799.00      1369.00      1126.00
 Standard Error        .            .            .          12.60        10.75         5.90         5.22         5.44         3.79

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              851.00       670.00       485.00       327.00       207.00
 Standard Error       2.90         2.22         1.75         1.22          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 50 to 59
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2750.52                4.24     (  2742.21,   2758.83 )
 (Limited to   4009.0 )
 Median:    3528.00                 .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .        3528.00      3085.00      2596.00      2042.00      1955.00
 Standard Error        .            .            .            .            .          15.33        12.78        12.49         8.94

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1295.00      1057.00       934.00       569.00       313.00
 Standard Error       9.06         3.67         3.93         4.31          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1711.24                2.48     (  1706.38,   1716.11 )
 (Limited to   4015.0 )
 Median:     996.00                2.87     (   990.38,   1001.62 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        1962.00      1515.00      1233.00       996.00       809.00       604.00       513.00       428.00
 Standard Error        .          10.97         5.42         3.68         2.87         2.50         1.93         1.11         1.08

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              334.00       213.00       168.00       102.00        54.00
 Standard Error       1.19          .81          .50          .42          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2046.97                1.63     (  2043.78,   2050.17 )
 (Limited to   4008.0 )
 Median:    1645.00                3.07     (  1638.99,   1651.01 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        3787.00      2683.00      1935.00      1645.00      1302.00      1032.00       808.00       670.00
 Standard Error        .            .           8.82         5.30         3.07         2.80         2.12         1.48         1.36

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              456.00       365.00       238.00       176.00        84.00
 Standard Error       1.09          .73          .55          .37          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2205.91                3.77     (  2198.53,   2213.30 )
 (Limited to   4011.0 )
 Median:    1916.00                8.46     (  1899.42,   1932.58 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2670.00      2272.00      1916.00      1485.00      1291.00      1063.00       847.00
 Standard Error        .            .            .          11.82         8.46         6.60         4.98         4.37         4.45

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              601.00       468.00       403.00       302.00       180.00
 Standard Error       3.13         1.59         1.17         1.28          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 60 to 69
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2469.76                5.63     (  2458.73,   2480.78 )
 (Limited to   4006.0 )
 Median:    2465.00                8.96     (  2447.44,   2482.56 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        2891.00      2465.00      2465.00      2220.00      1968.00      1579.00      1349.00
 Standard Error        .            .            .          10.77         8.96         9.55        10.98         8.27         6.08

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             1144.00       890.00       681.00       516.00       318.00
 Standard Error       6.39         5.37         4.01         3.03          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor INTGRP = under 150 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      1687.04                2.90     (  1681.35,   1692.72 )
 (Limited to   3994.0 )
 Median:     974.00                3.35     (   967.44,    980.56 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .        2063.00      1468.00      1202.00       974.00       773.00       602.00       507.00       369.00
 Standard Error        .          14.42         7.20         4.13         3.35         2.81         1.91         1.67         1.50

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              280.00       217.00       161.00        95.00        52.00
 Standard Error        .96          .69          .64          .47          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor INTGRP = 150 to 249 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2131.66                2.16     (  2127.42,   2135.90 )
 (Limited to   3997.0 )
 Median:    1696.00                4.70     (  1686.80,   1705.20 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .        3097.00      2194.00      1696.00      1435.00      1147.00       888.00       721.00
 Standard Error        .            .            .           8.66         4.70         3.57         2.98         2.21         1.60

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              554.00       403.00       329.00       187.00       117.00
 Standard Error       1.46          .91          .76          .63          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor INTGRP = 250 to 399 days




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      2253.14                5.01     (  2243.32,   2262.97 )
 (Limited to   3903.0 )
 Median:    1973.00                8.62     (  1956.11,   1989.89 )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .        2239.00      1973.00      1612.00      1388.00      1245.00      1117.00
 Standard Error        .            .            .            .           8.62         8.31         5.24         3.51         3.68

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value              882.00       632.00       480.00       289.00       189.00
 Standard Error       5.39         3.96         2.82         1.96          .



 Survival Analysis for TIME     Time to reintervention

 Strata PATAGEG2 = 70 or older
 Factor INTGRP = 400 days or longer




          Survival Time    Standard Error   95% Confidence Interval

 Mean:      3131.08                6.77     (  3117.82,   3144.35 )
 (Limited to   3951.0 )
 Median:        .                   .       (      .  ,       .   )



                                                               Percentiles

                     25.00        35.00        40.00        45.00        50.00        55.00        60.00        65.00        70.00

 Value                 .            .            .            .            .            .            .            .        2792.00
 Standard Error        .            .            .            .            .            .            .            .            .

                                                               Percentiles

                     75.00        80.00        85.00        90.00        95.00

 Value             2471.00      1349.00       939.00       874.00       427.00
 Standard Error      29.77        27.06        12.65         7.40          .



 Survival Analysis for TIME     Time to reintervention

                                       Total    Number     Number      Percent
                                                Events    Censored    Censored

PATAGEG2      18 to 29                ******    ******     ******        62.47
  INTGRP        under 150 days        520000    242000     278000        53.46
  INTGRP        150 to 249 days       ******    510000     747000        59.43
  INTGRP        250 to 399 days       671000    240000     431000        64.23
  INTGRP        400 days or longer    526000    124000     402000        76.43

PATAGEG2      30 to 39                ******    ******     ******        58.88
  INTGRP        under 150 days        678000    339000     339000        50.00
  INTGRP        150 to 249 days       ******    ******     ******        54.48
  INTGRP        250 to 399 days       783000    254000     529000        67.56
  INTGRP        400 days or longer    513000    122000     391000        76.22

PATAGEG2      40 to 49                ******    ******     ******        55.04
  INTGRP        under 150 days        836000    442000     394000        47.13
  INTGRP        150 to 249 days       ******    ******     ******        52.91
  INTGRP        250 to 399 days       700000    260000     440000        62.86
  INTGRP        400 days or longer    410000    122000     288000        70.24

PATAGEG2      50 to 59                ******    ******     ******        55.66
  INTGRP        under 150 days        929000    520000     409000        44.03
  INTGRP        150 to 249 days       ******    905000     ******        54.89
  INTGRP        250 to 399 days       527000    174000     353000        66.98
  INTGRP        400 days or longer    275000     58000     217000        78.91

PATAGEG2      60 to 69                ******    ******     ******        55.99
  INTGRP        under 150 days        645000    333000     312000        48.37
  INTGRP        150 to 249 days       ******    686000     883000        56.28
  INTGRP        250 to 399 days       288000    112000     176000        61.11
  INTGRP        400 days or longer    161000     41000     120000        74.53

PATAGEG2      70 or older             ******    731000     ******        59.72
  INTGRP        under 150 days        491000    251000     240000        48.88
  INTGRP        150 to 249 days       ******    407000     660000        61.86
  INTGRP        250 to 399 days       190000     62000     128000        67.37
  INTGRP        400 days or longer     67000     11000      56000        83.58

Overall                             19693000   8339000   11354000        57.66



>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.