Comparison 1.
Twice-weekly versus fortnightly surveillance
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Perinatal mortality | 1 | 167 | Risk Ratio (M-H, Fixed, 95% CI) | Not estimable |
| 2 Serious neonatal morbidity | 0 | 0 | Risk Ratio (M-H, Fixed, 95% CI) | Not estimable |
| 3 Stillbirth | 0 | 0 | Risk Ratio (M-H, Fixed, 95% CI) | Not estimable |
| 4 Neonatal death | 0 | 0 | Risk Ratio (M-H, Fixed, 95% CI) | Not estimable |
| 5 Hypoxic ischaemic encephalopathy | 0 | 0 | Risk Ratio (M-H, Fixed, 95% CI) | Not estimable |
| 6 Admission to neonatal special care or intensive care unit | 1 | 167 | Risk Ratio (M-H, Fixed, 95% CI) | 0.90 [0.58, 1.39] |
| 7 Gestational age at birth | 1 | 167 | Mean Difference (IV, Fixed, 95% CI) | −4.0 [−7.79, −0.21] |
| 8 Low birthweight for gestation at birth | 1 | 167 | Risk Ratio (M-H, Fixed, 95% CI) | 0.80 [0.63, 1.01] |
| 9 Birthweight | 1 | 167 | Mean Difference (IV, Fixed, 95% CI) | −53.0 [−184.40, 78.40] |
| 10 Preterm birth | 0 | 0 | Risk Ratio (M-H, Fixed, 95% CI) | Not estimable |
| 11 Low Apgar scores at 5 minutes | 0 | 0 | Risk Ratio (M-H, Fixed, 95% CI) | Not estimable |
| 12 Cord blood acidosis | 1 | 167 | Risk Ratio (M-H, Fixed, 95% CI) | 1.29 [0.30, 5.57] |
| 13 Metabolic acidosis or lactic acidosis | 0 | 0 | Risk Ratio (M-H, Fixed, 95% CI) | Not estimable |
| 14 Respiratory distress syndrome | 0 | 0 | Risk Ratio (M-H, Fixed, 95% CI) | Not estimable |
| 15 Use of ventilatory support | 1 | 167 | Risk Ratio (M-H, Fixed, 95% CI) | 4.83 [0.24, 99.02] |
| 16 Use of inotropic support | 0 | 0 | Risk Ratio (M-H, Fixed, 95% CI) | Not estimable |
| 17 Necrotising enterocolitis | 0 | 0 | Risk Ratio (M-H, Fixed, 95% CI) | Not estimable |
| 18 Grade III or IV intraventricular haemorrhage | 0 | 0 | Risk Ratio (M-H, Fixed, 95% CI) | Not estimable |
| 19 Duration of neonatal hospital stay | 0 | 0 | Mean Difference (IV, Fixed, 95% CI) | Not estimable |
| 20 Long-term neurodevelopmental outcomes | 0 | 0 | Risk Ratio (M-H, Fixed, 95% CI) | Not estimable |
| 21 Cerebral palsy | 0 | 0 | Risk Ratio (M-H, Fixed, 95% CI) | Not estimable |
| 22 Emergency caesarean section for fetal distress | 1 | 167 | Risk Ratio (M-H, Fixed, 95% CI) | 0.96 [0.35, 2.63] |
| 23 Antenatal hospital admission | 0 | 0 | Risk Ratio (M-H, Fixed, 95% CI) | Not estimable |
| 24 Induction of labour | 1 | 167 | Risk Ratio (M-H, Fixed, 95% CI) | 1.25 [1.04, 1.50] |
| 25 Caesarean section | 1 | 167 | Risk Ratio (M-H, Fixed, 95% CI) | 1.14 [0.54, 2.40] |
| 26 Operative vaginal delivery | 0 | 0 | Risk Ratio (M-H, Fixed, 95% CI) | Not estimable |
| 27 Length of stay in neonatal special care and/or intensive care unit | Other data | No numeric data | ||
| 28 Length of antenatal hospital admisison | 0 | 0 | Mean Difference (IV, Fixed, 95% CI) | Not estimable |
| 29 Costs of monitoring | 0 | 0 | Mean Difference (IV, Fixed, 95% CI) | Not estimable |
| 30 Women’s views of care | 0 | 0 | Odds Ratio (M-H, Fixed, 95% CI) | Not estimable |