| 1 Operative delivery |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
1.08 [0.79, 1.49] |
| 2 Maternal mortality |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
0.0 [0.0, 0.0] |
| 3 Perinatal mortality |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
0.0 [0.0, 0.0] |
| 4 Caesarean section |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
1.33 [0.36, 4.97] |
| 5 Forceps delivery |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
0.75 [0.20, 2.79] |
| 6 Vacuum‐assisted delivery |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
1.2 [0.47, 3.09] |
| 7 Third‐ or fourth‐degree perineal trauma |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
0.2 [0.01, 3.85] |
| 8 Nitrous oxide analgesia in labour |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
0.73 [0.41, 1.28] |
| 9 Opiate analgesia in labour |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
1.0 [0.24, 4.18] |
| 10 Epidural analgesia in labour |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
1.17 [0.88, 1.55] |
| 11 Duration of second stage of labour |
1 |
30 |
Mean Difference (IV, Fixed, 95% CI) |
‐5.70 [‐58.34, 46.94] |
| 12 Blood loss (mL) |
1 |
30 |
Mean Difference (IV, Fixed, 95% CI) |
109.30 [‐78.51, 297.11] |
| 13 Primary postpartum haemorrhage ≥ 500 mL |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
1.0 [0.24, 4.18] |
| 14 Maternal blood transfusion |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
0.0 [0.0, 0.0] |
| 15 Maternal postnatal infection |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
0.0 [0.0, 0.0] |
| 16 Length of maternal hospital stay (days) |
1 |
30 |
Mean Difference (IV, Fixed, 95% CI) |
0.84 [‐0.04, 1.72] |
| 17 Non‐reassuring or pathological cardiotocograph during procedure |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
3.0 [0.13, 68.26] |
| 18 Non‐reassuring or pathological cardiotocograph at any time after allocation |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
0.57 [0.21, 1.55] |
| 19 Cord blood gas acidosis |
1 |
23 |
Risk Ratio (M‐H, Fixed, 95% CI) |
1.83 [0.19, 17.51] |
| 20 Admission to neonatal intensive care unit |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
2.0 [0.61, 6.55] |
| 21 Neonatal resuscitation (positive pressure ventilation, cardiac compression or drug therapy) |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
1.0 [0.31, 3.28] |
| 22 Mechanical ventilation (intermittent positive‐pressure ventilation/continuous positive airways pressure after resuscitation) |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
3.0 [0.35, 25.68] |
| 23 Neonatal jaundice treated with phototherapy |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
0.5 [0.05, 4.94] |
| 24 Neonatal exchange transfusion |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
0.0 [0.0, 0.0] |
| 25 Polycythaemia treated with partial volume exchange transfusion |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
0.0 [0.0, 0.0] |
| 26 Neonatal stroke |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
0.0 [0.0, 0.0] |
| 27 Neonatal intracranial bleed |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
0.0 [0.0, 0.0] |
| 28 Neonatal fracture |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
0.0 [0.0, 0.0] |
| 29 Scalp haematoma (e.g. cephalohaematoma or subgaleal haemorrhage) |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
3.0 [0.13, 68.26] |
| 30 Neonatal encephalopathy |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
0.0 [0.0, 0.0] |
| 31 Neonatal neuropraxia |
1 |
30 |
Risk Ratio (M‐H, Fixed, 95% CI) |
0.0 [0.0, 0.0] |
