Spontaneous vaginal | Operative vaginal | Caesarean | ||||
---|---|---|---|---|---|---|
OR (95% CI) | AORa, b (95% CI) | OR (95% CI) | AORa (95% CI) | OR (95% CI) | AORa (95% CI) | |
Umbilical artery pH < 7.10 | 1.57 (1.01–2.42) | 1.76 (1.11–2.81) | 1.32 (0.81–2.16) | 1.11 (0.63–1.98) | 0.62 (0.35–1.12) | 0.73 (0.38–1.40) |
Apgar score < 7 at 5 min | * | * | 1.50 (0.67–3.33) | 1.20 (0.47–3.06) | 0.62 (0.34–1.14) | 0.91 (0.48–1.75) |
Neonatal care | 1.66 (0.88–3.15) | 2.01 (1.06–3.81) | 1.27 (0.57–2.82) | 1.38 (0.59–3.25) | 0.45 (0.28–0.71) | 0.54 (0.32–0.90) |
Composite morbidityc | 1.50 (0.82–2.76) | 1.87 (1.02–3.45) | 1.28 (0.68–2.44) | 1.26 (0.62–2.56) | 0.47 (0.30–0.72) | 0.56 (0.35–0.90) |