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Table 3 Multivariate analysis of factors affecting delivery mode in induction of labour

From: Clinical predictive factors for vaginal delivery following induction of labour among pregnant women in Jordan

Factors ORa 95% CI p-valueb
Nulliparous
Age (years) 0.95 0.86–1.01 0.12
Hemoglobin at time of IOL (g/dl) 0.82 0.65–1.01 0.07
Gestational age of the fetus (weeks) 1.12 0.95–1.31 0.18
Bishop Score 1.23 1.03–1.28 0.03
Status of the membrane at the time of induction 1.1 0.69–1.6 0.27
Indication for induction - Intrahepatic cholestasis of pregnancy 0.1 0.67–1.49 0.79
Multiparous
Maternal BMI at time of IOL (kg/m2) 0.89 0.84–0.96 0.005
Bishop Score 1.5 1.1–2.1 0.01
Interval between last pregnancy and current pregnancy (months) 0.99 0.98–1.0 0.19
Method of induction used 1.1 0.46–2.8 0.97
Status of the membrane at time of induction 0.14 0.15–1.2 0.72
  1. CI: confidence interval; IOL: induction of labour, BMI: body mass index.
  2. a OR: odds ratio of vaginal delivery
  3. b Two-sided p-value based on binary logistic regression adjusted for all factors shown