Table 3 Multivariable logistic regression analysis of paternal age and fertilization methods with SSR
| Variables | OR | 95%CI | P |
|---|---|---|---|
| Paternal age group | |||
| 20 ~ 29 | 1.000 | ||
| 30 ~ 39 | 1.020 | 0.850–1.223 | 0.833 |
| 40 ~ 49 | 1.220 | 0.894–1.665 | 0.209 |
| 50 ~ 59 | 0.298 | 0.082–1.079 | 0.065 |
| Fertilization methods | |||
| IVF | 1.000 | ||
| ICSI | 0.808 | 0.681–0.958 | 0.014 |
| R-ICSI | 1.261 | 0.924–1.721 | 0.143 |