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Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 1 Failed extubation.
Figuras y tablas -
Analysis 1.1

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 1 Failed extubation.

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 2 Side effects.
Figuras y tablas -
Analysis 1.2

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 2 Side effects.

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 3 PDA ligation.
Figuras y tablas -
Analysis 1.3

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 3 PDA ligation.

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 4 PMA at last oxygen therapy.
Figuras y tablas -
Analysis 1.4

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 4 PMA at last oxygen therapy.

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 5 PMA at last Endotracheal Tube.
Figuras y tablas -
Analysis 1.5

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 5 PMA at last Endotracheal Tube.

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 6 PMA at last Positive Pressure Ventilation.
Figuras y tablas -
Analysis 1.6

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 6 PMA at last Positive Pressure Ventilation.

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 7 Bronchopulmonary dysplasia at term age.
Figuras y tablas -
Analysis 1.7

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 7 Bronchopulmonary dysplasia at term age.

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 8 Cognitive delay.
Figuras y tablas -
Analysis 1.8

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 8 Cognitive delay.

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 9 Cerebral Palsy.
Figuras y tablas -
Analysis 1.9

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 9 Cerebral Palsy.

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 10 Death or major disability by 18‐21 months.
Figuras y tablas -
Analysis 1.10

Comparison 1 Methylxanthine vs control ‐ all preterm infants, Outcome 10 Death or major disability by 18‐21 months.

Comparison 2 Methylxanthine vs control ‐ infants <1 kg, Outcome 1 Failed extubation.
Figuras y tablas -
Analysis 2.1

Comparison 2 Methylxanthine vs control ‐ infants <1 kg, Outcome 1 Failed extubation.

Comparison 2 Methylxanthine vs control ‐ infants <1 kg, Outcome 2 Neurodevelopmental abnormality at 30 months.
Figuras y tablas -
Analysis 2.2

Comparison 2 Methylxanthine vs control ‐ infants <1 kg, Outcome 2 Neurodevelopmental abnormality at 30 months.

Comparison 3 Methylxanthine vs control ‐ infants >1 kg who failed first extubation, Outcome 1 Failed extubation.
Figuras y tablas -
Analysis 3.1

Comparison 3 Methylxanthine vs control ‐ infants >1 kg who failed first extubation, Outcome 1 Failed extubation.

Comparison 1. Methylxanthine vs control ‐ all preterm infants

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Failed extubation Show forest plot

6

197

Risk Ratio (M‐H, Fixed, 95% CI)

0.48 [0.32, 0.71]

1.1 NCPAP use routine

1

25

Risk Ratio (M‐H, Fixed, 95% CI)

0.39 [0.19, 0.81]

1.2 NCPAP use not routine

5

172

Risk Ratio (M‐H, Fixed, 95% CI)

0.51 [0.32, 0.80]

2 Side effects Show forest plot

2

56

Risk Ratio (M‐H, Fixed, 95% CI)

5.53 [0.28, 107.96]

3 PDA ligation Show forest plot

1

717

Risk Ratio (M‐H, Fixed, 95% CI)

0.32 [0.20, 0.52]

4 PMA at last oxygen therapy Show forest plot

1

666

Mean Difference (IV, Fixed, 95% CI)

‐1.5 [‐2.25, ‐0.75]

5 PMA at last Endotracheal Tube Show forest plot

1

668

Mean Difference (IV, Fixed, 95% CI)

‐0.90 [‐1.42, ‐0.38]

6 PMA at last Positive Pressure Ventilation Show forest plot

1

667

Mean Difference (IV, Fixed, 95% CI)

‐1.10 [‐1.64, ‐0.56]

7 Bronchopulmonary dysplasia at term age Show forest plot

1

672

Risk Ratio (M‐H, Fixed, 95% CI)

0.81 [0.70, 0.93]

8 Cognitive delay Show forest plot

1

612

Risk Ratio (M‐H, Fixed, 95% CI)

0.83 [0.68, 1.01]

9 Cerebral Palsy Show forest plot

1

644

Risk Ratio (M‐H, Fixed, 95% CI)

0.54 [0.32, 0.92]

10 Death or major disability by 18‐21 months Show forest plot

1

676

Risk Ratio (M‐H, Fixed, 95% CI)

0.85 [0.73, 0.99]

Figuras y tablas -
Comparison 1. Methylxanthine vs control ‐ all preterm infants
Comparison 2. Methylxanthine vs control ‐ infants <1 kg

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Failed extubation Show forest plot

2

50

Risk Ratio (M‐H, Fixed, 95% CI)

0.58 [0.29, 1.16]

1.1 Age less than one week

2

41

Risk Ratio (M‐H, Fixed, 95% CI)

0.51 [0.25, 1.07]

1.2 Age more than one week

1

9

Risk Ratio (M‐H, Fixed, 95% CI)

2.0 [0.18, 22.06]

2 Neurodevelopmental abnormality at 30 months Show forest plot

1

32

Risk Ratio (M‐H, Fixed, 95% CI)

0.43 [0.13, 1.37]

Figuras y tablas -
Comparison 2. Methylxanthine vs control ‐ infants <1 kg
Comparison 3. Methylxanthine vs control ‐ infants >1 kg who failed first extubation

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Failed extubation Show forest plot

1

10

Risk Ratio (M‐H, Fixed, 95% CI)

0.24 [0.01, 4.72]

Figuras y tablas -
Comparison 3. Methylxanthine vs control ‐ infants >1 kg who failed first extubation