Table 2 Multiple logistic regression model for risk factors of PUR
Variable | Odds ratio | 95% CI | P value |
|---|---|---|---|
Epidural analgesia | 1.41 | 1.11–1.79 | 0.005 |
Vulvar edema | 6.92 | 4.65–10.31 | < 0.001 |
Forceps delivery | 8.42 | 2.22–31.91 | 0.002 |
Episiotomy | 1.37 | 1.02–1.84 | 0.035 |
Second-degree perineal tear | 3.42 | 2.37–4.94 | < 0.001 |