Table 1.

Cancer Incidence in Offspring of Danish Long-lived Families From 1968 to 2009 Stratified on Sex and Age.

Sex	Ageband	Risktime		Observed number of cancers		Expected number of cancers	SIR (obs/exp)	95% CI
		Person- years	Percent	Count	Percent
Males
	0 – 14	630.3	1.0%	0	0.0%	0.1	0
	15 – 29	11,073.8	16.8%	3	1.7%	3.6	0.83	0.27, 2.54
	30 – 34	7,495.5	11.3%	3	1.7%	4.2	0.71	0.23, 2.20
	35 – 39	7,930.2	12.0%	5	2.9%	6.5	0.77	0.32, 1.84
	40 – 44	7,957.1	12.0%	5	2.9%	10.1	0.49	0.21, 1.18
	45 – 49	7,876.2	11.9%	9	5.1%	17.5	0.52	0.27, 0.98
	50 – 54	7,589.4	11.5%	14	8.0%	30.1	0.46	0.28, 0.78
	55 – 59	6,795.0	10.3%	34	19.4%	47.5	0.72	0.51, 1.01
	60 – 64	5,079.2	7.7%	49	28.0%	61.2	0.80	0.60, 1.07
	65 – 69	2,607.3	3.9%	34	19.4%	49.2	0.69	0.49, 0.98
	70 – 74	818.6	1.2%	15	8.6%	21.4	0.70	0.41, 1.20
	75 – 79	171.3	0.3%	4	2.3%	5.3	0.75	0.24, 2.39
	80+	28.0	0.0%	0	0.0%	0.9	0
Total		66,051.8	100.0%	175	100.0%	257.7	0.68	0.58, 0.79
Females
	0 – 14	654.4	1.0%	0	0.0%	0.1	0
	15 – 29	11,155.2	17.0%	3	1.2%	3.6	0.84	0.27, 2.60
	30 – 34	7,467.4	11.4%	6	2.4%	6.4	0.94	0.43, 2.08
	35 – 39	7,924.2	12.1%	9	3.6%	12.2	0.74	0.36, 1.51
	40 – 44	7,945.1	12.1%	12	4.8%	20.9	0.57	0.31, 1.05
	45 – 49	7,804.9	11.9%	24	9.7%	32.7	0.73	0.50, 1.08
	50 – 54	7,504.6	11.4%	41	16.5%	44.6	0.92	0.66, 1.28
	55 – 59	6,647.7	10.1%	51	20.6%	54.8	0.93	0.71, 1.22
	60 – 64	4,913.7	7.5%	47	19.0%	56.0	0.84	0.63, 1.12
	65 – 69	2,598.4	4.0%	30	12.1%	38.3	0.78	0.55, 1.12
	70 – 74	871.8	1.3%	24	9.7%	15.2	1.58	1.05, 2.40
	75 – 79	141.8	0.2%	1	0.4%	2.9	0.34	0.05, 2.46
	80+	14.9	0.0%	0	0.0%	0.3	0
Total		65,644.2	100.0%	248	100.0%	288.0	0.86	0.75, 0.98

Abbreviations: CI, confidence interval; exp, expected number of cancers; obs, observed number of cancers; SIR, Standardized Incidence Ratio.