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Age-aggregated Standardized Incidence Ratios (SIRs) and 95% CIs for cancer in men evaluated for infertility (stratified by azoospermia status).
| n | Age-adjusted cancer incidence per 1000 person-years | Observed | Expected | SIR (95%) | |
|---|---|---|---|---|---|
| All infertility | 2,238 | 2.1 (1.6, 2.7) | 29 | 16.7 | 1.7 (1.2, 2.5)* |
| Azoospermia | 451 | 3.3 (1.7, 4.8) | 10 | 3.4 | 2.9 (1.4, 5.4)* |
| Not Azoospermia | 1,787 | 1.6 (1.0, 2.1) | 19 | 13.3 | 1.4 (0.9, 2.2) |
<0.05
