Table 1. Illustration of the cumulative incidence of haematologic malignancy (HM) for the Fanconi anaemia (FA) data set using the Kaplan–Meier method.

(a) A subset of FA patientsa
Patient number	Follow-up time	Status	HM status
1	0.003	Dead	C
2	0.003	Dead	C
…
21	4	HM	E
…
744	495	HM	E
745	498	HM	E
746	509	Alive	C
747	522	Dead	C
748	538	Alive	C
749	544	HM	E
750	546	HM	E
751	566	Alive	C
752	572	Alive	C
753	582	HM	E
754	587	Dead	C
755	599	Alive	C
(b) Kaplan–Meier survival probability estimatesb
Time interval (tj)	# at risk (nj)	# of events (dj)	Survival probability ((nj−dj)/nj) (%)	Overall survival (S(tj)) (%)	Incidence 1−S(tj)
0–	755	0	100	100	0
4–	735	1	99.9	99.9	0.1
…				44.9	55.1
495–	12	1	91.7	41.2	58.8
498–	11	1	90.9	37.5	62.5
544–	7	1	85.7	32.1	67.9
546–	6	1	83.3	26.8	73.2
582–	3	1	66.7	17.8	82.2

HM=haematologic malignancy; C=censored; E=event.

^aThe follow-up time (in months), event status (affected with HM, dead or alive) and HM status (event if patient has HM, censored otherwise).

^bKaplan–Meier survival probability estimates for the subset of the FA patients listed in (a). Column 1 gives the event times (in months). Column 2 shows the number of individuals at risk before that event time. Column 3 is the number of patients diagnosed with HM at that time. Column 4 is the estimated survival probability between that event time and the next. Column 5 provides the overall survival probability using the Kaplan–Meier method. Column 6 gives the cumulative incidence of HM.