Variables | Odds ratio | Relative risk | 95% Confidence interval | p-value |
Complications Delivery type Tear Episiotomy Blood transfusion Instrument used | 0.622 0.880 2.083 0.456 0.182 - | 0.924 0.981 1.117 0.872 0.591 1.143 | 1.294 - 0.299 2.261 - 0.343 4.354 - 0.996 0.928 - 0.224 2.366 - 0.148 1.485 - 0.880 | 0.137 0.502 0.035 0.028 0.686 0.800 |