Table 1.

Relative death rates with 95% confidence intervals (CI) of siblings of centenarians versus U.S. 1900 cohort

Age group	Male			Female
	Relative death rate	Lower 95% CI	Upper 95% CI	Relative death rate	Lower 95% CI	Upper 95% CI
0	0.24	0.17	0.32	0.26	0.17	0.35
1–4	0.25	0.13	0.37	0.48	0.31	0.65
5–9	0.56	0.21	0.90	0.51	0.17	0.86
10–14	1.03	0.42	1.63	0.38	0.00	0.76
15–19	0.67	0.33	1.00	0.64	0.30	0.98
20–24	0.84	0.46	1.23	0.64	0.31	0.97
25–29	0.79	0.42	1.17	0.62	0.29	0.95
30–34	0.83	0.45	1.20	0.53	0.21	0.85
35–39	0.52	0.24	0.80	0.50	0.20	0.81
40–44	0.53	0.27	0.80	0.31	0.08	0.55
45–49	0.27	0.11	0.43	0.42	0.17	0.67
50–54	0.64	0.43	0.85	0.47	0.24	0.71
55–59	0.27	0.16	0.39	0.65	0.40	0.90
60–64	0.40	0.28	0.51	0.48	0.30	0.65
65–69	0.35	0.26	0.44	0.34	0.21	0.47
70–74	0.54	0.45	0.64	0.41	0.29	0.53
75–79	0.53	0.44	0.62	0.44	0.33	0.55
80–84	0.50	0.42	0.58	0.50	0.40	0.59
85–89	0.51	0.44	0.58	0.42	0.34	0.50
90–94	0.42	0.35	0.49	0.48	0.39	0.56
95–99	0.57	0.47	0.67	0.51	0.40	0.61
100+	1.15	0.86	1.44	0.66	0.43	0.90