Table 3.

Standardized Incidence Ratios (SIRs) and 95% CIs for cancer in men evaluated for infertility stratified by age at the time of semen analysis.

Age at SA	Male Infertility Category	Total population(n)	Observed	Expected	SIR (95%)
<50	All	2,129	26	13.3	2.0 (1.3, 2.9)*
<45	All	1,973	21	10.5	2.0 (1.2, 3.1)*
<40	All	1,632	17	7.1	2.4 (1.4, 3.8)*
<35	All	977	6	3.5	1.7 (0.6, 3.8)
<30	All	312	2	0.9	0.9 (0.3, 8.1)
<50	Azoospermia	419	9	2.5	3.7 (1.7, 7.0)*
<45	Azoospermia	389	8	1.8	4.4 (1.9, 8.7)*
<40	Azoospermia	334	7	1.3	5.4 (2.2, 11.0)*
<35	Azoospermia	223	4	0.7	5.6 (1.5, 14.3)*
<30	Azoospermia	86	2	0.2	8.1 (1.0, 29.3)
<50	Not Azoospermia	1,710	17	10.9	1.6 (0.9, 2.5)
<45	Not Azoospermia	1,584	13	8.6	1.5 (0.8, 2.6)
<40	Not Azoospermia	1,298	10	5.8	1.7 (0.8, 3.2)
<35	Not Azoospermia	754	2	2.8	0.7 (0.1, 2.6)
<30	Not Azoospermia	389	0	0.6	0 (0, 5.7)

^*<0.05