Table 2.

Comparison of Cumulative Incidence of SNs After 40 Years of Age on the Basis of History of SN Before 40 Years of Age

Cancer and Age, Years	Survivors ≥ 40 Years of Age
	Patients at Risk
	All			SN Before Age 40 Years			No SN Before Age 40 Years
	No.	%	95% CI	No.	%	95% CI	No.	%	95% CI
All SNs
40	3,171	0		470	0		2,701	0
45	1,190	12.1	10.7 to 13.5	150	27.4	22.3 to 32.6	1,040	9.4	8.0 to 10.8
50	278	23.3	20.6 to 26.0	28	48.2	40.1 to 56.3	250	18.7	16.0 to 21.5
55	26	34.6	28.7 to 40.6	5	57.6	46.7 to 68.6	21	30.4	23.8 to 37.0
Subsequent malignant neoplasm
40	3,171	0		470	0		2,701	0
45	1,307	4.8	3.9 to 5.8	196	7.7	4.6 to 10.8	1,111	4.3	3.4 to 5.3
50	338	10.4	8.5 to 12.2	50	16.4	10.5 to 22.3	288	9.2	7.3 to 11.2
55	42	16.3	11.7. to 20.9	8	20.8	12.5 to 29.1	34	15.4	10.2 to 20.5
Nonmelanoma skin cancer
40	3,171	0		470	0		2,701	0
45	1,260	6.8	5.7 to 7.9	169	19.1	14.7 to 23.6	1,092	4.6	3.6 to 5.6
50	310	12.2	10.1 to 14.2	34	30.9	23.6 to 38.1	276	8.8	6.8 to 10.8
55	37	19.6	14.7 to 24.5	6	38.2	27.9 to 48.5	31	16.2	10.8 to 21.6
Meningioma
40	3,171	0		470	0		2,701	0
45	1,368	0.4	0.2 to 0.7	212	1.1	0.0 to 2.2	1,156	0.3	0.1 to 0.6
50	369	1.2	0.4 to 1.9	60	1.1	0.0 to 2.2	309	1.2	0.3 to 2.0
55	53	1.4	0.5 to 2.4	8	2.8	0.0 to 6.3	45	1.2	0.3 to 2.0

Abbreviation: SN, subsequent neoplasm.