Table 2.

The life table of thalassemia patients

Age (yr)	Living patients (n)1	Proportion of survival at each interval	Cumulative proportion of survival at end of the interval
0	5,249	1.00	1.00
5	5,018	1.00	1.00
10	4,573	1.00	0.99
15	4,080	0.98	0.97
20	3,426	0.98	0.95
25	2,632	0.97	0.92
30	1,549	0.95	0.88
35	813	0.95	0.83
40	395	0.95	0.79
45	200	0.93	0.74
50	104	0.92	0.68
55	35	0.75	0.51

¹Number of people who were alive at each defined time period.