Table 2.
Factors associated with vaginal birth after cesarean in multivariable logistic regression
| Variable | OR | 95% CI | P value |
|---|---|---|---|
| Maternal age at delivery | 1.914 | 1.125–3.254 | 0.017 |
| Without previous vaginal delivery | 4.795 | 1.877–12.248 | 0.001 |
| Interdelivery interval | 1.622 | 1.005–2.618 | 0.048 |
| Without TOL during prior CD | 1.934 | 1.105–3.385 | 0.021 |
| Dystocia as prior CD indication | 2.849 | 1.943–4.177 | < 0.001 |
| IT diameter | 0.163 | 0.079–0.334 | < 0.001 |
| Maternal predelivery BMI | 1.130 | 1.046–1.221 | 0.002 |
| Gestational age at delivery | 1.233 | 1.148–1.323 | < 0.001 |
| Estimated fetal weight | 1.001 | 1.000–1.001 | 0.031 |
| Hypertensive disorders | 3.472 | 1.212–9.944 | 0.020 |
OR odds ratio; CI confidence interval; TOL trial of labor; CD cesarean delivery; IT intertuberous; BMI body mass index (at delivery, kg/m2)