Table 2 Odds ratios (OR) for fetal heart rate abnormalities during and after ECV
Univariate | Multivariate | |||
|---|---|---|---|---|
Variable | O.R. | 95% C.I. | O.R. | 95% C.I. |
Maternal age (years) | 1.00 | 0.94–1.05 | ||
Gestational age at ECV (weeks and days) | 1.02 | 0.80–1.30 | ||
Nulliparity | 0.79 | 0.49–1.28 | ||
Engagement of breech | 1.50 | 0.96–2.35 | ||
Frank breech | 1.20 | 0.74–1.95 | ||
Amniotic fluid index ≤ 10 cm | 1.71 | 1.05–2.77 | 1.57 | 0.95–2.58 |
Placenta anterior | 0.79 | 0.50–1.26 | ||
Duration of ECV (minutes) | 1.14 | 1.07–1.22 | 1.13 | 1.05–1.21 |
ECV success | 0.82 | 0.52–1.29 | ||
Estimated fetal weight (per 100 g) | 0.90 | 0.87–0.94 | 0.90 | 0.87–0.94 |