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Table 4 5-year disease-free survival life-table

From: Comparison of survival between radiation therapy and trans-oral laser microsurgery for early glottic cancer patients; a retrospective cohort study

First-order Controls Interval Start time Number Entering Interval Number Withdrawing during Interval Number Exposed to Risk Number of Terminal Events Proportion Surviving Cumulative Proportion Surviving at End of Interval Std. Error of Cumulative Proportion Surviving at End of Interval
TLM 0 23 0 23.000 0 1.00 1.00 .00
1 23 1 22.500 0 1.00 1.00 .00
2 22 0 22.000 0 1.00 1.00 .00
3 22 0 22.000 0 1.00 1.00 .00
4 22 1 21.500 0 1.00 1.00 .00
5 21 0 21.000 0 1.00 1.00 .00
6 21 1 20.500 0 1.00 1.00 .00
7 20 0 20.000 1 .95 .95 .05
8 19 0 19.000 1 .95 .90 .07
9 18 1 17.500 1 .94 .85 .08
10 16 1 15.500 0 1.00 .85 .08
11 15 0 15.000 0 1.00 .85 .08
12 15 0 15.000 1 .93 .79 .09
13 14 0 14.000 0 1.00 .79 .09
14 14 0 14.000 0 1.00 .79 .09
15 14 0 14.000 0 1.00 .79 .09
16 14 0 14.000 0 1.00 .79 .09
17 14 0 14.000 0 1.00 .79 .09
18 14 1 13.500 1 .93 .73 .10
19 12 0 12.000 0 1.00 .73 .10
20 12 0 12.000 0 1.00 .73 .10
21 12 0 12.000 0 1.00 .73 .10
22 12 0 12.000 0 1.00 .73 .10
23 12 1 11.500 1 .91 .67 .11
24 10 0 10.000 0 1.00 .67 .11
25 10 1 9.500 0 1.00 .67 .11
26 9 0 9.000 0 1.00 .67 .11
27 9 0 9.000 0 1.00 .67 .11
28 9 0 9.000 0 1.00 .67 .11
29 9 0 9.000 0 1.00 .67 .11
30 9 0 9.000 0 1.00 .67 .11
31 9 0 9.000 0 1.00 .67 .11
32 9 0 9.000 1 .89 .60 .12
33 8 0 8.000 0 1.00 .60 .12
34 8 0 8.000 0 1.00 .60 .12
35 8 0 8.000 0 1.00 .60 .12
36 8 1 7.500 0 1.00 .60 .12
37 7 0 7.000 0 1.00 .60 .12
38 7 3 5.500 0 1.00 .60 .12
39 4 0 4.000 0 1.00 .60 .12
40 4 0 4.000 0 1.00 .60 .12
41 4 0 4.000 0 1.00 .60 .12
42 4 1 3.500 0 1.00 .60 .12
43 3 0 3.000 0 1.00 .60 .12
44 3 0 3.000 0 1.00 .60 .12
45 3 0 3.000 0 1.00 .60 .12
46 3 0 3.000 0 1.00 .60 .12
47 3 0 3.000 0 1.00 .60 .12
48 3 0 3.000 0 1.00 .60 .12
49 3 0 3.000 0 1.00 .60 .12
50 3 0 3.000 0 1.00 .60 .12
51 3 1 2.500 0 1.00 .60 .12
52 2 0 2.000 0 1.00 .60 .12
53 2 0 2.000 0 1.00 .60 .12
54 2 0 2.000 0 1.00 .60 .12
55 2 1 1.500 0 1.00 .60 .12
56 1 0 1.000 0 1.00 .60 .12
57 1 0 1.000 0 1.00 .60 .12
58 1 0 1.000 0 1.00 .60 .12
59 1 0 1.000 0 1.00 .60 .12
60 1 1 .500 0 1.00 .60 .12
Radiation 0 52 1 51.500 1 .98 .98 .02
1 50 0 50.000 0 1.00 .98 .02
2 50 1 49.500 1 .98 .96 .03
3 48 0 48.000 0 1.00 .96 .03
4 48 1 47.500 1 .98 .94 .03
5 46 0 46.000 0 1.00 .94 .03
6 46 0 46.000 0 1.00 .94 .03
7 46 0 46.000 2 .96 .90 .04
8 44 1 43.500 0 1.00 .90 .04
9 43 2 42.000 0 1.00 .90 .04
10 41 0 41.000 2 .95 .86 .05
11 39 1 38.500 0 1.00 .86 .05
12 38 0 38.000 1 .97 .83 .05
13 37 0 37.000 1 .97 .81 .06
14 36 0 36.000 1 .97 .79 .06
15 35 0 35.000 0 1.00 .79 .06
16 35 3 33.500 0 1.00 .79 .06
17 32 0 32.000 0 1.00 .79 .06
18 32 0 32.000 1 .97 .76 .06
19 31 0 31.000 0 1.00 .76 .06
20 31 1 30.500 0 1.00 .76 .06
21 30 1 29.500 0 1.00 .76 .06
22 29 2 28.000 0 1.00 .76 .06
23 27 2 26.000 0 1.00 .76 .06
24 25 0 25.000 0 1.00 .76 .06
25 25 0 25.000 0 1.00 .76 .06
26 25 0 25.000 0 1.00 .76 .06
27 25 0 25.000 0 1.00 .76 .06
28 25 0 25.000 0 1.00 .76 .06
29 25 0 25.000 0 1.00 .76 .06
30 25 0 25.000 0 1.00 .76 .06
31 25 0 25.000 1 .96 .73 .07
32 24 0 24.000 1 .96 .70 .07
33 23 0 23.000 1 .96 .67 .07
34 22 0 22.000 0 1.00 .67 .07
35 22 0 22.000 0 1.00 .67 .07
36 22 1 21.500 0 1.00 .67 .07
37 21 0 21.000 0 1.00 .67 .07
38 21 1 20.500 0 1.00 .67 .07
39 20 0 20.000 0 1.00 .67 .07
40 20 0 20.000 0 1.00 .67 .07
41 20 0 20.000 0 1.00 .67 .07
42 20 1 19.500 0 1.00 .67 .07
43 19 0 19.000 0 1.00 .67 .07
44 19 0 19.000 0 1.00 .67 .07
45 19 0 19.000 0 1.00 .67 .07
46 19 2 18.000 0 1.00 .67 .07
47 17 1 16.500 0 1.00 .67 .07
48 16 0 16.000 0 1.00 .67 .07
49 16 1 15.500 0 1.00 .67 .07
50 15 0 15.000 0 1.00 .67 .07
51 15 0 15.000 0 1.00 .67 .07
52 15 2 14.000 0 1.00 .67 .07
53 13 1 12.500 0 1.00 .67 .07
54 12 0 12.000 0 1.00 .67 .07
55 12 0 12.000 0 1.00 .67 .07
56 12 0 12.000 0 1.00 .67 .07
57 12 1 11.500 0 1.00 .67 .07
58 11 1 10.500 0 1.00 .67 .07
59 10 0 10.000 0 1.00 .67 .07
60 10 10 5.000 0 1.00 .67 .07
  1. This life-table shows the proportion of patients who experienced an event each time-interval (1 month). Additionally, the table indicates the amount of patients who were censored each month by reporting how many patients entered and left each interval