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'Risk of bias' graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.
Figuras y tablas -
Figure 1

'Risk of bias' graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.

'Risk of bias' summary: review authors' judgements about each risk of bias item for each included study.
Figuras y tablas -
Figure 2

'Risk of bias' summary: review authors' judgements about each risk of bias item for each included study.

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 1 Eclampsia.
Figuras y tablas -
Analysis 1.1

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 1 Eclampsia.

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 2 HELLP syndrome.
Figuras y tablas -
Analysis 1.2

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 2 HELLP syndrome.

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 3 Pulmonary oedema.
Figuras y tablas -
Analysis 1.3

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 3 Pulmonary oedema.

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 4 Death of the baby (all stillbirths, neonatal and infant deaths).
Figuras y tablas -
Analysis 1.4

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 4 Death of the baby (all stillbirths, neonatal and infant deaths).

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 5 Death of the baby (subgrouped by time of death).
Figuras y tablas -
Analysis 1.5

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 5 Death of the baby (subgrouped by time of death).

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 6 Intraventricular haemorrhage or hypoxic ischaemic encephalopathy.
Figuras y tablas -
Analysis 1.6

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 6 Intraventricular haemorrhage or hypoxic ischaemic encephalopathy.

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 7 Renal failure.
Figuras y tablas -
Analysis 1.7

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 7 Renal failure.

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 8 Caesarean section.
Figuras y tablas -
Analysis 1.8

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 8 Caesarean section.

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 9 Placental abruption.
Figuras y tablas -
Analysis 1.9

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 9 Placental abruption.

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 10 Low Apgar score at five minutes (< 7 at five minutes).
Figuras y tablas -
Analysis 1.10

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 10 Low Apgar score at five minutes (< 7 at five minutes).

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 11 Neonatal seizures.
Figuras y tablas -
Analysis 1.11

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 11 Neonatal seizures.

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 12 Hyaline membrane disease.
Figuras y tablas -
Analysis 1.12

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 12 Hyaline membrane disease.

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 13 Necrotising enterocolitis.
Figuras y tablas -
Analysis 1.13

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 13 Necrotising enterocolitis.

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 14 Baby ventilated.
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Analysis 1.14

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 14 Baby ventilated.

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 15 Measures of long‐term growth & development (cerebral palsy).
Figuras y tablas -
Analysis 1.15

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 15 Measures of long‐term growth & development (cerebral palsy).

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 16 Measures of long‐term growth & development (poor hearing/hearing aid).
Figuras y tablas -
Analysis 1.16

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 16 Measures of long‐term growth & development (poor hearing/hearing aid).

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 17 Measures of long‐term growth & development (impaired vision).
Figuras y tablas -
Analysis 1.17

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 17 Measures of long‐term growth & development (impaired vision).

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 18 Small‐for‐gestational age.
Figuras y tablas -
Analysis 1.18

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 18 Small‐for‐gestational age.

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 19 Gestation at birth (days).
Figuras y tablas -
Analysis 1.19

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 19 Gestation at birth (days).

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 20 Length of stay in neonatal intensive care unit (days).
Figuras y tablas -
Analysis 1.20

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 20 Length of stay in neonatal intensive care unit (days).

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 21 Admission to neonatal intensive care unit.
Figuras y tablas -
Analysis 1.21

Comparison 1 Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia, Outcome 21 Admission to neonatal intensive care unit.

Comparison 1. Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Eclampsia Show forest plot

1

95

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

2 HELLP syndrome Show forest plot

1

95

Risk Ratio (M‐H, Fixed, 95% CI)

0.53 [0.05, 5.68]

3 Pulmonary oedema Show forest plot

1

95

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

4 Death of the baby (all stillbirths, neonatal and infant deaths) Show forest plot

4

425

Risk Ratio (M‐H, Fixed, 95% CI)

1.08 [0.69, 1.71]

5 Death of the baby (subgrouped by time of death) Show forest plot

4

Risk Ratio (M‐H, Fixed, 95% CI)

Subtotals only

5.1 Stillbirth

4

425

Risk Ratio (M‐H, Fixed, 95% CI)

0.20 [0.03, 1.16]

5.2 Perinatal death

2

68

Risk Ratio (M‐H, Fixed, 95% CI)

1.14 [0.45, 2.89]

5.3 Neonatal death

4

425

Risk Ratio (M‐H, Fixed, 95% CI)

1.33 [0.80, 2.23]

5.4 Death after 28 days

1

38

Risk Ratio (M‐H, Fixed, 95% CI)

1.8 [0.18, 18.21]

6 Intraventricular haemorrhage or hypoxic ischaemic encephalopathy Show forest plot

1

262

Risk Ratio (M‐H, Fixed, 95% CI)

1.82 [1.06, 3.14]

7 Renal failure Show forest plot

2

133

Risk Ratio (M‐H, Fixed, 95% CI)

0.30 [0.01, 6.97]

8 Caesarean section Show forest plot

4

425

Risk Ratio (M‐H, Fixed, 95% CI)

1.09 [1.01, 1.18]

9 Placental abruption Show forest plot

2

133

Risk Ratio (M‐H, Fixed, 95% CI)

0.80 [0.26, 2.40]

10 Low Apgar score at five minutes (< 7 at five minutes) Show forest plot

1

262

Risk Ratio (M‐H, Fixed, 95% CI)

1.48 [0.87, 2.50]

11 Neonatal seizures Show forest plot

1

262

Risk Ratio (M‐H, Fixed, 95% CI)

2.57 [0.27, 24.43]

12 Hyaline membrane disease Show forest plot

2

133

Risk Ratio (M‐H, Fixed, 95% CI)

2.30 [1.39, 3.81]

13 Necrotising enterocolitis Show forest plot

3

395

Risk Ratio (M‐H, Fixed, 95% CI)

2.10 [0.93, 4.79]

14 Baby ventilated Show forest plot

2

300

Risk Ratio (M‐H, Fixed, 95% CI)

1.50 [1.11, 2.02]

15 Measures of long‐term growth & development (cerebral palsy) Show forest plot

1

262

Risk Ratio (M‐H, Fixed, 95% CI)

6.01 [0.75, 48.14]

16 Measures of long‐term growth & development (poor hearing/hearing aid) Show forest plot

1

262

Risk Ratio (M‐H, Fixed, 95% CI)

0.34 [0.07, 1.74]

17 Measures of long‐term growth & development (impaired vision) Show forest plot

1

262

Risk Ratio (M‐H, Fixed, 95% CI)

4.29 [0.51, 36.22]

18 Small‐for‐gestational age Show forest plot

2

125

Risk Ratio (M‐H, Fixed, 95% CI)

0.30 [0.14, 0.65]

19 Gestation at birth (days) Show forest plot

4

425

Mean Difference (IV, Random, 95% CI)

‐9.91 [‐16.37, ‐3.45]

20 Length of stay in neonatal intensive care unit (days) Show forest plot

2

125

Mean Difference (IV, Random, 95% CI)

11.14 [1.57, 20.72]

21 Admission to neonatal intensive care unit Show forest plot

2

125

Risk Ratio (M‐H, Fixed, 95% CI)

1.35 [1.16, 1.58]

Figuras y tablas -
Comparison 1. Interventionist care versus expectant (delayed delivery) care for severe pre‐eclampsia