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Table 9Predictors of failure

ArticleFailure MeasurePredictorPredictor
Garite et al.19 ¦ Interval of PG administration to delivery >18hrs
Garite et al.19 ¦ Interval of PG administration to delivery >24hrs
Pandis et al. 42 Failure to deliver after 24 hoursBishop Score:
< 5=44%
≥ 5=9%
Cervical length:
0–18mm=2%
19–24mm=21%
25–31mm=33%
32–50 mm=84%
Williams and Craft44 Emergency C-section onlyParity:
Nulliparous=11%
Multiparous=4%
Williams et al.45 Failure to progress to active labor within 12 hoursParity:
Nulliparous=54%
Multiparous=45%
Williams et al.45 Failed vaginal deliveryParity:
Nulliparous=30%
Multiparous=25%
¦

Odds ratios are given for entire group and nulliparous women separately on predictors of Bishop score>5 and fetal fibronectin+.

PG=prostaglandin

From: Appendix C: Additional Analyses for Systematic Review

Cover of Maternal and Neonatal Outcomes of Elective Induction of Labor
Maternal and Neonatal Outcomes of Elective Induction of Labor.
Evidence Reports/Technology Assessments, No. 176.
Caughey AB, Sundaram V, Kaimal AJ, et al.

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