| Unadjusted unsuccessful TOLAC | Adjusted unsuccessful TOLAC | ||||
---|---|---|---|---|---|---|
 | OR | CI (95%) | p-value | OR | CI (95%) | p-value |
Maternal age ≥ 37 | 1.4 | 0.9–2.2 | 0.12 | 1.6 | 1.0–2.7 | 0.05 |
IVF | 1.6 | 0.5–5.8 | 0.45 | 0.5 | 0.1–2.1 | 0.36 |
Smoking | 1.2 | 0.7–2.3 | 0.51 | 1.4 | 0.7–2.9 | 0.35 |
Height < 160 cm | 1.5 | 1.0–2.3 | 0.03 | 1.7 | 1.1–2.7 | 0.01 |
BMI ≥ 35 | 1.6 | 0.9–2.8 | 0.14 | 1.5 | 0.8–2.9 | 0.21 |
No prior vaginal delivery | 3.3 | 1.9–5.7 | < 0.001 | 4.9 | 2.7–9.0 | < 0.001 |
More than 2 years from previous CS | 1.3 | 0.9–1.8 | 0.22 | 1.6 | 1.1–2.4 | 0.02 |
Diabetes, type 1 or gestational | 1.6 | 1.1–2.3 | 0.01 | 1.7 | 1.0–2.6 | 0.03 |
Medication-dependent gestational diabetes | 1.5 | 0.8–3.0 | 0.21 | 2.1 | 0.9–5.2 | 0.11 |
Post-term pregnancy (≥42 weeks) | 2.5 | 1.5–4.2 | 0.001 | 1.5 | 0.6–4.0 | 0.43 |
Labor induction for post-term pregnancy | 2.2 | 1.3–3.8 | 0.003 | 1.5 | 0.6–4.0 | 0.43 |
Labor induction for premature rupture of membranes | 1.8 | 0.9–3.3 | 0.08 | 2.1 | 1.0–4.1 | 0.04 |
Labor induction for diabetes | 1.2 | 0.6–2.3 | 0.67 | 0.7 | 0.3–1.8 | 0.47 |
Labor induction for non-diabetic macrosomia | 3.6 | 0.8–16.4 | 0.09 | 5.9 | 1.2–29.2 | 0.03 |
Labor induction for fetal reason | 2.8 | 1.0–7.5 | 0.05 | 4.2 | 1.5–12.2 | 0.007 |
Labor induction for maternal reason | 0.94 | 0.5–1.8 | 0.84 | 1.3 | 0.7–2.6 | 0.46 |
Birthweight ≥4500 g | 2.3 | 1.1–4.8 | 0.03 | 2.4 | 1.1–5.5 | 0.03 |