| Smoking | Non-smoking | ||
Fertile | Infertile | Fertile | Infertile | |
ACP1*A/*B | 56% | 25% | 39.5% | 30.8% |
Total n | 25 | 20 | 43 | 39 |
Chi-square test of independence | P = 0.036 | P = 0.407 |