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Comparison 1 Phenobarbital v control, Outcome 1 All intraventricular hemorrhage.
Figuras y tablas -
Analysis 1.1

Comparison 1 Phenobarbital v control, Outcome 1 All intraventricular hemorrhage.

Comparison 1 Phenobarbital v control, Outcome 2 Severe intraventricular hemorrhage.
Figuras y tablas -
Analysis 1.2

Comparison 1 Phenobarbital v control, Outcome 2 Severe intraventricular hemorrhage.

Comparison 1 Phenobarbital v control, Outcome 3 Ventricular dilatation or hydrocephalus.
Figuras y tablas -
Analysis 1.3

Comparison 1 Phenobarbital v control, Outcome 3 Ventricular dilatation or hydrocephalus.

Comparison 1 Phenobarbital v control, Outcome 4 Hypotension.
Figuras y tablas -
Analysis 1.4

Comparison 1 Phenobarbital v control, Outcome 4 Hypotension.

Comparison 1 Phenobarbital v control, Outcome 5 Pneumothorax/interstitial emphysema.
Figuras y tablas -
Analysis 1.5

Comparison 1 Phenobarbital v control, Outcome 5 Pneumothorax/interstitial emphysema.

Comparison 1 Phenobarbital v control, Outcome 6 Hypercapnia.
Figuras y tablas -
Analysis 1.6

Comparison 1 Phenobarbital v control, Outcome 6 Hypercapnia.

Comparison 1 Phenobarbital v control, Outcome 7 Acidosis.
Figuras y tablas -
Analysis 1.7

Comparison 1 Phenobarbital v control, Outcome 7 Acidosis.

Comparison 1 Phenobarbital v control, Outcome 8 Use of mechanical ventilation.
Figuras y tablas -
Analysis 1.8

Comparison 1 Phenobarbital v control, Outcome 8 Use of mechanical ventilation.

Comparison 1 Phenobarbital v control, Outcome 9 Mild neurodevelopmental impairment.
Figuras y tablas -
Analysis 1.9

Comparison 1 Phenobarbital v control, Outcome 9 Mild neurodevelopmental impairment.

Comparison 1 Phenobarbital v control, Outcome 10 Severe neurodevelopmental impairment.
Figuras y tablas -
Analysis 1.10

Comparison 1 Phenobarbital v control, Outcome 10 Severe neurodevelopmental impairment.

Comparison 1 Phenobarbital v control, Outcome 11 Death before discharge.
Figuras y tablas -
Analysis 1.11

Comparison 1 Phenobarbital v control, Outcome 11 Death before discharge.

Comparison 1 Phenobarbital v control, Outcome 12 All deaths during study.
Figuras y tablas -
Analysis 1.12

Comparison 1 Phenobarbital v control, Outcome 12 All deaths during study.

Comparison 1. Phenobarbital v control

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 All intraventricular hemorrhage Show forest plot

9

740

Risk Ratio (M‐H, Fixed, 95% CI)

1.04 [0.87, 1.25]

2 Severe intraventricular hemorrhage Show forest plot

10

817

Risk Ratio (M‐H, Fixed, 95% CI)

0.91 [0.66, 1.24]

3 Ventricular dilatation or hydrocephalus Show forest plot

3

219

Risk Ratio (M‐H, Fixed, 95% CI)

0.89 [0.38, 2.08]

4 Hypotension Show forest plot

3

382

Risk Ratio (M‐H, Fixed, 95% CI)

1.18 [0.97, 1.43]

5 Pneumothorax/interstitial emphysema Show forest plot

8

682

Risk Ratio (M‐H, Fixed, 95% CI)

1.28 [0.92, 1.77]

6 Hypercapnia Show forest plot

5

241

Risk Ratio (M‐H, Fixed, 95% CI)

1.00 [0.73, 1.37]

7 Acidosis Show forest plot

6

521

Risk Ratio (M‐H, Fixed, 95% CI)

1.16 [0.90, 1.51]

8 Use of mechanical ventilation Show forest plot

5

323

Risk Ratio (M‐H, Fixed, 95% CI)

1.18 [1.06, 1.32]

9 Mild neurodevelopmental impairment Show forest plot

1

101

Risk Ratio (M‐H, Fixed, 95% CI)

0.57 [0.15, 2.17]

10 Severe neurodevelopmental impairment Show forest plot

1

101

Risk Ratio (M‐H, Fixed, 95% CI)

1.44 [0.41, 5.04]

11 Death before discharge Show forest plot

9

740

Risk Ratio (M‐H, Fixed, 95% CI)

0.88 [0.64, 1.21]

12 All deaths during study Show forest plot

10

817

Risk Ratio (M‐H, Fixed, 95% CI)

0.89 [0.66, 1.21]

Figuras y tablas -
Comparison 1. Phenobarbital v control