Clinical Study
Risk Factors for Cesarean Delivery following Labor Induction in Multiparous Women
Table 2
Characteristics of the study population during induction of labor.
| | Characteristics | Failed induction in multiparous women
() (%) | Successful induction in multiparous women
() (%) | Odds ratio (95% CI) | value |
| | Dilatation at start induction (per cm dilation) | | | 0.64 (0.50–0.83) | 0.001 | | 0 | 28 (35) | 27 (17) | | | | 1 | 26 (33) | 46 (29) | | | | 2 | 12 (15) | 40 (25) | | | | 3 | 7 (9) | 28 (18) | | | | ≥4 | 3 (4) | 10 (6) | | | | Missing | 4 (5) | 7 (4) | | | | Effacement at start induction | | | 0.84 (0.68–1.0) | 0.098 | | 0% | 31 (39) | 44 (27) | | | | 25% | 4 (5) | 4 (3) | | | | 50% | 25 (31) | 58 (36) | | | | 75% | 7 (9) | 32 (20) | | | | 100% | 9 (11) | 13 (8) | | | | Missing | 5 (5) | 9 (6) | | | | Stations of presentation | | | 3.1 (1.1–8.4) | 0.029 | | Not engaged (-3/3 station) | 10 (13) | 7 (4) | | | | Engaged | 67 (84) | 144 (90) | | | | Missing | 3 (3) | 9 (6) | | | | Method of induction | | | | | | Prostaglandins | 52 (65) | 80 (50) | 1.9 (1.1–3.2) | 0.029 | | AROM* and/or oxytocin | 28 (35) | 80 (50) | | |
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CI: confidence interval.
*Artificial rupture of membranes.
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