Outcomes | Number of trials (n) | Weighted event rates | RRR (95% CI) | NNT (CI) | |
---|---|---|---|---|---|
Delayed pushing | Early pushing | ||||
*Abbreviations defined in glossary; weighted event rates, RRR, NNT, and CI calculated from data in article using a fixed effects model. | |||||
†1 trial reported results for nulliparous and multiparous women separately; these were analysed separately in the meta analysis. | |||||
Rotational or mid pelvic instrumental deliveries | 5 (2174) | 10% | 14% | 31% (13 to 45) | 26 (16 to 76) |
Any instrumental deliveries | 10† (2953) | 35% | 38% | 8% (–1 to 16) | Not significant |
Second stage caesarean section | 7 (2703) | 4.1% | 5.4% | 23% (–8 to 45) | Not significant |