| 1 Respiratory distress syndrome Show forest plot | 1 | 938 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.32 [0.07, 1.58] |
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| 1.1 Birth before 38+0 weeks | 1 | 139 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.30 [0.03, 2.83] |
| 1.2 Birth 38+0 to 38+6 weeks | 1 | 429 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.32 [0.01, 7.80] |
| 1.3 Birth at or after 39+0 weeks | 1 | 370 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.37 [0.02, 9.05] |
| 2 Transient tachypnoea of the neonate Show forest plot | 1 | 942 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.52 [0.25, 1.11] |
|
| 2.1 Birth before 38+0 weeks | 1 | 145 | Risk Ratio (M‐H, Fixed, 95% CI) | 3.95 [0.45, 34.45] |
| 2.2 Birth 38+0 to 38+6 weeks | 1 | 429 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.18 [0.05, 0.61] |
| 2.3 Birth at or after 39+0 weeks | 1 | 368 | Risk Ratio (M‐H, Fixed, 95% CI) | 1.65 [0.28, 9.78] |
| 3 Admission to neonatal special care (all levels) for respiratory complications Show forest plot | 1 | 942 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.45 [0.22, 0.90] |
|
| 3.1 Birth before 38+0 weeks | 1 | 145 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.49 [0.16, 1.57] |
| 3.2 Birth 38+0 to 38+6 weeks | 1 | 429 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.44 [0.17, 1.14] |
| 3.3 Birth at or after 39+0 weeks | 1 | 368 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.37 [0.04, 3.50] |
| 4 Admission to neonatal intensive care unit for respiratory complications Show forest plot | 1 | 942 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.15 [0.03, 0.64] |
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| 5 Need for mechanical ventilation Show forest plot | 1 | 942 | Risk Ratio (M‐H, Fixed, 95% CI) | 4.07 [0.46, 36.27] |
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| 6 Admission to neonatal special care (all levels) for any indication Show forest plot | 1 | 942 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.81 [0.49, 1.33] |
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| 6.1 Birth before 38+0 weeks | 1 | 145 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.69 [0.28, 1.71] |
| 6.2 Birth 38+0 to 38+6 weeks | 1 | 429 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.78 [0.38, 1.58] |
| 6.3 Birth at or after 39+0 weeks | 1 | 368 | Risk Ratio (M‐H, Fixed, 95% CI) | 1.10 [0.36, 3.36] |
| 7 Admission to neonatal intensive care unit for any indication | 0 | 0 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.0 [0.0, 0.0] |
| 8 Neonatal respiratory complications | 0 | 0 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.0 [0.0, 0.0] |
| 9 Neonatal sepsis Show forest plot | 1 | 942 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.0 [0.0, 0.0] |
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| 10 Perinatal death Show forest plot | 1 | 942 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.0 [0.0, 0.0] |
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| 11 Chronic lung disease | 0 | 0 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.0 [0.0, 0.0] |
| 12 Length of stay in neonatal intensive care unit Show forest plot | 1 | 16 | Mean Difference (IV, Fixed, 95% CI) | ‐2.14 [‐5.58, 1.30] |
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| 13 Duration of mechanical ventilation | 0 | 0 | Mean Difference (IV, Fixed, 95% CI) | 0.0 [0.0, 0.0] |
| 14 Readmission after discharge | 0 | 0 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.0 [0.0, 0.0] |
| 15 Maternal postpartum infection/pyrexia | 0 | 0 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.0 [0.0, 0.0] |
| 16 Wound infection Show forest plot | 1 | 942 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.0 [0.0, 0.0] |
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| 17 Long‐term infantile morbidity | 0 | 0 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.0 [0.0, 0.0] |
