Table 1 Representation of the data...

Table 1

Representation of the data matrix for the calculation of survival rates using a life table method

t	Interval	$n_{t}$	$ω_{t}$	$θ_{t}$	$S (t)$
1	[0, 1)	$n_{1}$	$ω_{1}$	$θ_{1}$	$S (1)$
2	[1, 2)	$n_{2}$	$ω_{2}$	$θ_{2}$	$S (2)$
.	.	.	.	.	.
.	.	.	.	.	.
t	[t – 1, t)	$n_{t}$	$ω_{t}$	$θ_{t}$	$S (t)$

t	Interval	$n_{t}$	$ω_{t}$	$θ_{t}$	$S (t)$
1	[0, 1)	$n_{1}$	$ω_{1}$	$θ_{1}$	$S (1)$
2	[1, 2)	$n_{2}$	$ω_{2}$	$θ_{2}$	$S (2)$
.	.	.	.	.	.
.	.	.	.	.	.
t	[t – 1, t)	$n_{t}$	$ω_{t}$	$θ_{t}$	$S (t)$

Notes: t = time interval [t – 1, t). $n_{t} =$ number of observations at the beginning of interval t. $ω_{t} =$ number of censored observations during interval t. $θ_{t} =$ number of events during interval t. $S (t) =$ survival rate during interval t.

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