Time in Years

$t_i$

Number at Risk

$N_t$

Number of Deaths

$D_t$

Number Censored

$C_t$

Survival Function (Probability)

$S_{t+1}=S_t\times \left[\left(N_{t+1}-D_{t+1}\right)/N_{t+1}\right]$

0

32

=1.00

1

32

1

1.00 × (32 − 1)/32 = 0.97

2

31

1

1

0.97 × (31 − 1)/31 = 0.94

3

29

1

0.94 × (29 − 1)/29 = 0.91

5

28

1

0.91 × (28 − 1)/28 = 0.88

6

27

1

0.88 × (27 − 0)/27 = 0.88

9

26

1

1

0.88 × (26 − 1)/26 = 0.85

10

24

1

0.85 × (24 − 0)/24 = 0.85

11

23

1

1

0.85 × (23 − 1)/23 = 0.84

12

21

1

0.84 × (21 − 0)/21 = 0.84

13

20

1

0.84 × (20 − 0)/20 = 0.84

14

19

1

0.84 × (19 − 1)/19 = 0.80

17

18

1

0.80 × (18 − 0)/18 = 0.80

18

17

1

0.80 × (17 − 0)/17 = 0.80

19

16

1

0.80 × (16 − 0)/16 = 0.80

21

15

1

0.80 × (15 − 0)/15 = 0.80

23

14

1

0.80 × (14 − 1)/14 = 0.74

24

13

1

0.74 × (13 − 0)/13 = 0.74

25

12

1

0.74 × (12 − 0)/12 = 0.74

26

11

1

0.74 × (11 − 0)/11 = 0.74

27

10

1

0.74 × (10 − 0)/10 = 0.74

28

9

1

0.74 × (09 − 0)/09 = 0.74

29

8

1

0.74 × (08 − 0)/08 = 0.74

30

7

1

0.74 × (07 − 0)/07 = 0.74

31

6

1

0.74 × (06 − 1)/06 = 0.62

32

5

1

0.62 × (05 − 1)/05 = 0.50

33

4

1

0.50 × (04 − 1)/04 = 0.38

34

3

1

0.38 × (03 − 1)/03 = 0.25