Scolaris Content Display Scolaris Content Display

Comparison 1 HFOV vs CV (all trials), Outcome 1 Death by 28‐30 days.
Figuras y tablas -
Analysis 1.1

Comparison 1 HFOV vs CV (all trials), Outcome 1 Death by 28‐30 days.

Comparison 1 HFOV vs CV (all trials), Outcome 2 Mechanical ventilation at 28 ‐ 30 days in survivors.
Figuras y tablas -
Analysis 1.2

Comparison 1 HFOV vs CV (all trials), Outcome 2 Mechanical ventilation at 28 ‐ 30 days in survivors.

Comparison 1 HFOV vs CV (all trials), Outcome 3 Oxygen at 28‐30 days in survivors.
Figuras y tablas -
Analysis 1.3

Comparison 1 HFOV vs CV (all trials), Outcome 3 Oxygen at 28‐30 days in survivors.

Comparison 1 HFOV vs CV (all trials), Outcome 4 CLD at 28‐30 days (O2 + xray) in survivors.
Figuras y tablas -
Analysis 1.4

Comparison 1 HFOV vs CV (all trials), Outcome 4 CLD at 28‐30 days (O2 + xray) in survivors.

Comparison 1 HFOV vs CV (all trials), Outcome 5 Death or CLD at 28‐30 days.
Figuras y tablas -
Analysis 1.5

Comparison 1 HFOV vs CV (all trials), Outcome 5 Death or CLD at 28‐30 days.

Comparison 1 HFOV vs CV (all trials), Outcome 6 Death by 36‐37 weeks or discharge.
Figuras y tablas -
Analysis 1.6

Comparison 1 HFOV vs CV (all trials), Outcome 6 Death by 36‐37 weeks or discharge.

Comparison 1 HFOV vs CV (all trials), Outcome 7 CLD at 36‐37 weeks PMA or discharge in survivors.
Figuras y tablas -
Analysis 1.7

Comparison 1 HFOV vs CV (all trials), Outcome 7 CLD at 36‐37 weeks PMA or discharge in survivors.

Comparison 1 HFOV vs CV (all trials), Outcome 8 Death or CLD at 36‐37 weeks PMA or discharge.
Figuras y tablas -
Analysis 1.8

Comparison 1 HFOV vs CV (all trials), Outcome 8 Death or CLD at 36‐37 weeks PMA or discharge.

Comparison 1 HFOV vs CV (all trials), Outcome 9 Any pulmonary air leak.
Figuras y tablas -
Analysis 1.9

Comparison 1 HFOV vs CV (all trials), Outcome 9 Any pulmonary air leak.

Comparison 1 HFOV vs CV (all trials), Outcome 10 Gross pulmonary air leak.
Figuras y tablas -
Analysis 1.10

Comparison 1 HFOV vs CV (all trials), Outcome 10 Gross pulmonary air leak.

Comparison 1 HFOV vs CV (all trials), Outcome 11 Intraventricular hemorrhage ‐ all grades.
Figuras y tablas -
Analysis 1.11

Comparison 1 HFOV vs CV (all trials), Outcome 11 Intraventricular hemorrhage ‐ all grades.

Comparison 1 HFOV vs CV (all trials), Outcome 12 Intraventricular hemorrhage ‐ grd 3 or 4.
Figuras y tablas -
Analysis 1.12

Comparison 1 HFOV vs CV (all trials), Outcome 12 Intraventricular hemorrhage ‐ grd 3 or 4.

Comparison 1 HFOV vs CV (all trials), Outcome 13 Periventricular leukomalacia.
Figuras y tablas -
Analysis 1.13

Comparison 1 HFOV vs CV (all trials), Outcome 13 Periventricular leukomalacia.

Comparison 1 HFOV vs CV (all trials), Outcome 14 Retinopathy of prematurity (grd 2 or more) in survivors.
Figuras y tablas -
Analysis 1.14

Comparison 1 HFOV vs CV (all trials), Outcome 14 Retinopathy of prematurity (grd 2 or more) in survivors.

Comparison 1 HFOV vs CV (all trials), Outcome 15 Neurodevelopmental abnormality at 1‐3 yrs in those examined.
Figuras y tablas -
Analysis 1.15

Comparison 1 HFOV vs CV (all trials), Outcome 15 Neurodevelopmental abnormality at 1‐3 yrs in those examined.

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 1 Death by 28‐30 days.
Figuras y tablas -
Analysis 2.1

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 1 Death by 28‐30 days.

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 2 Mechanical ventilation at 28‐30 days in survivors.
Figuras y tablas -
Analysis 2.2

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 2 Mechanical ventilation at 28‐30 days in survivors.

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 3 Oxygen at 28‐30 days in survivors.
Figuras y tablas -
Analysis 2.3

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 3 Oxygen at 28‐30 days in survivors.

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 4 CLD at 28‐30 days (O2 + xray) in survivors.
Figuras y tablas -
Analysis 2.4

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 4 CLD at 28‐30 days (O2 + xray) in survivors.

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 5 Death or CLD at 28‐30 days.
Figuras y tablas -
Analysis 2.5

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 5 Death or CLD at 28‐30 days.

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 6 Death by 36‐37 weeks or discharge.
Figuras y tablas -
Analysis 2.6

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 6 Death by 36‐37 weeks or discharge.

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 7 CLD at 36‐37 weeks PMA or discharge in survivors.
Figuras y tablas -
Analysis 2.7

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 7 CLD at 36‐37 weeks PMA or discharge in survivors.

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 8 Death or CLD at 36‐37 weeks PMA or discharge.
Figuras y tablas -
Analysis 2.8

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 8 Death or CLD at 36‐37 weeks PMA or discharge.

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 9 Any pulmonary air leak.
Figuras y tablas -
Analysis 2.9

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 9 Any pulmonary air leak.

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 10 Gross pulmonary air leak.
Figuras y tablas -
Analysis 2.10

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 10 Gross pulmonary air leak.

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 11 Intraventricular hemorrhage ‐ all grades.
Figuras y tablas -
Analysis 2.11

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 11 Intraventricular hemorrhage ‐ all grades.

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 12 Intraventricular hemorrhage ‐ grd 3 or 4.
Figuras y tablas -
Analysis 2.12

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 12 Intraventricular hemorrhage ‐ grd 3 or 4.

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 13 Periventricular leukomalacia.
Figuras y tablas -
Analysis 2.13

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 13 Periventricular leukomalacia.

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 14 Retinopathy of prematurity (grd 2 or more) in survivors.
Figuras y tablas -
Analysis 2.14

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 14 Retinopathy of prematurity (grd 2 or more) in survivors.

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 15 Neurodevelopmental abnormality at 1‐3 yrs in those examined.
Figuras y tablas -
Analysis 2.15

Comparison 2 HFOV vs CV (with volume recruitment), Outcome 15 Neurodevelopmental abnormality at 1‐3 yrs in those examined.

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 1 Death by 28‐30 days.
Figuras y tablas -
Analysis 3.1

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 1 Death by 28‐30 days.

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 2 Mechanical ventilation at 28‐30 days in survivors.
Figuras y tablas -
Analysis 3.2

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 2 Mechanical ventilation at 28‐30 days in survivors.

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 4 CLD at 28‐30 days (O2 + xray) in survivors.
Figuras y tablas -
Analysis 3.4

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 4 CLD at 28‐30 days (O2 + xray) in survivors.

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 5 Death or CLD at 28‐30 days.
Figuras y tablas -
Analysis 3.5

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 5 Death or CLD at 28‐30 days.

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 6 Death by 36‐37 weeks.
Figuras y tablas -
Analysis 3.6

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 6 Death by 36‐37 weeks.

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 7 CLD at 36‐37 weeks PMA or discharge in survivors.
Figuras y tablas -
Analysis 3.7

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 7 CLD at 36‐37 weeks PMA or discharge in survivors.

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 8 Death or CLD at 36‐37 weeks PMA or discharge.
Figuras y tablas -
Analysis 3.8

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 8 Death or CLD at 36‐37 weeks PMA or discharge.

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 9 Any pulmonary air leak.
Figuras y tablas -
Analysis 3.9

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 9 Any pulmonary air leak.

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 10 Gross pulmonary air leak.
Figuras y tablas -
Analysis 3.10

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 10 Gross pulmonary air leak.

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 11 Intraventricular hemorrhage ‐ all grades.
Figuras y tablas -
Analysis 3.11

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 11 Intraventricular hemorrhage ‐ all grades.

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 12 Intraventricular hemorrhage ‐ grd 3 or 4.
Figuras y tablas -
Analysis 3.12

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 12 Intraventricular hemorrhage ‐ grd 3 or 4.

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 13 Periventricular leukomalacia.
Figuras y tablas -
Analysis 3.13

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 13 Periventricular leukomalacia.

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 14 Retinopathy of prematurity (mod. or severe) in survivors.
Figuras y tablas -
Analysis 3.14

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 14 Retinopathy of prematurity (mod. or severe) in survivors.

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 15 Neurodevelopmental abnormality at follow up in those examined.
Figuras y tablas -
Analysis 3.15

Comparison 3 HFOV vs CV (without volume recruitment), Outcome 15 Neurodevelopmental abnormality at follow up in those examined.

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 1 Death by 28‐30 days.
Figuras y tablas -
Analysis 4.1

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 1 Death by 28‐30 days.

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 2 Mechanical ventilation at 28‐30 days in survivors.
Figuras y tablas -
Analysis 4.2

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 2 Mechanical ventilation at 28‐30 days in survivors.

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 3 Oxygen at 28‐30 days in survivors.
Figuras y tablas -
Analysis 4.3

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 3 Oxygen at 28‐30 days in survivors.

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 4 CLD at 28‐30 days (O2 + xray) in survivors.
Figuras y tablas -
Analysis 4.4

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 4 CLD at 28‐30 days (O2 + xray) in survivors.

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 5 Death or CLD at 28‐30 days.
Figuras y tablas -
Analysis 4.5

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 5 Death or CLD at 28‐30 days.

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 6 Death by 36‐37 weeks or discharge.
Figuras y tablas -
Analysis 4.6

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 6 Death by 36‐37 weeks or discharge.

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 7 CLD at 36‐37 weeks PMA or discharge in survivors.
Figuras y tablas -
Analysis 4.7

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 7 CLD at 36‐37 weeks PMA or discharge in survivors.

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 8 Death or CLD at 36‐37 weeks PMA or discharge.
Figuras y tablas -
Analysis 4.8

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 8 Death or CLD at 36‐37 weeks PMA or discharge.

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 9 Any pulmonary air leak.
Figuras y tablas -
Analysis 4.9

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 9 Any pulmonary air leak.

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 10 Gross pulmonary air leak.
Figuras y tablas -
Analysis 4.10

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 10 Gross pulmonary air leak.

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 11 Intraventricular hemorrhage ‐ all grades.
Figuras y tablas -
Analysis 4.11

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 11 Intraventricular hemorrhage ‐ all grades.

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 12 Intraventricular hemorrhage ‐ grd 3 or 4.
Figuras y tablas -
Analysis 4.12

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 12 Intraventricular hemorrhage ‐ grd 3 or 4.

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 13 Periventricular leukomalacia.
Figuras y tablas -
Analysis 4.13

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 13 Periventricular leukomalacia.

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 14 Retinopathy of prematurity (grd 2 or more) in survivors.
Figuras y tablas -
Analysis 4.14

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 14 Retinopathy of prematurity (grd 2 or more) in survivors.

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 15 Neurodevelopmental abnormality at 1‐3 yrs in those examined.
Figuras y tablas -
Analysis 4.15

Comparison 4 HFOV vs CV (with routine surfactant), Outcome 15 Neurodevelopmental abnormality at 1‐3 yrs in those examined.

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 1 Death by 28‐30 days.
Figuras y tablas -
Analysis 5.1

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 1 Death by 28‐30 days.

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 2 Mechanical ventilation at 28‐30 days in survivors.
Figuras y tablas -
Analysis 5.2

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 2 Mechanical ventilation at 28‐30 days in survivors.

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 4 CLD at 28‐30 days (O2 + xray) in survivors.
Figuras y tablas -
Analysis 5.4

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 4 CLD at 28‐30 days (O2 + xray) in survivors.

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 5 Death or CLD at 28‐30 days.
Figuras y tablas -
Analysis 5.5

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 5 Death or CLD at 28‐30 days.

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 6 Death by 36‐37 weeks.
Figuras y tablas -
Analysis 5.6

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 6 Death by 36‐37 weeks.

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 7 CLD at 36‐37 weeks PMA or discharge in survivors.
Figuras y tablas -
Analysis 5.7

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 7 CLD at 36‐37 weeks PMA or discharge in survivors.

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 8 Death or CLD at 36‐37 weeks PMA or discharge.
Figuras y tablas -
Analysis 5.8

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 8 Death or CLD at 36‐37 weeks PMA or discharge.

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 9 Any pulmonary air leak.
Figuras y tablas -
Analysis 5.9

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 9 Any pulmonary air leak.

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 10 Gross pulmonary air leak.
Figuras y tablas -
Analysis 5.10

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 10 Gross pulmonary air leak.

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 11 Intraventricular hemorrhage ‐ all grades.
Figuras y tablas -
Analysis 5.11

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 11 Intraventricular hemorrhage ‐ all grades.

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 12 Intraventricular hemorrhage ‐ grd 3 or 4.
Figuras y tablas -
Analysis 5.12

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 12 Intraventricular hemorrhage ‐ grd 3 or 4.

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 13 Periventricular leukomalacia.
Figuras y tablas -
Analysis 5.13

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 13 Periventricular leukomalacia.

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 14 Retinopathy of prematurity (mod. or severe) in survivors.
Figuras y tablas -
Analysis 5.14

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 14 Retinopathy of prematurity (mod. or severe) in survivors.

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 15 Neurodevelopmental abnormality at 1‐3 yrs in those examined.
Figuras y tablas -
Analysis 5.15

Comparison 5 HFOV vs CV (without routine surfactant), Outcome 15 Neurodevelopmental abnormality at 1‐3 yrs in those examined.

Comparison 1. HFOV vs CV (all trials)

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Death by 28‐30 days Show forest plot

8

1853

Risk Ratio (M‐H, Fixed, 95% CI)

1.08 [0.86, 1.35]

2 Mechanical ventilation at 28 ‐ 30 days in survivors Show forest plot

3

767

Risk Ratio (M‐H, Fixed, 95% CI)

1.08 [0.86, 1.35]

3 Oxygen at 28‐30 days in survivors Show forest plot

5

870

Risk Ratio (M‐H, Fixed, 95% CI)

0.95 [0.83, 1.09]

4 CLD at 28‐30 days (O2 + xray) in survivors Show forest plot

4

820

Risk Ratio (M‐H, Fixed, 95% CI)

0.86 [0.74, 1.01]

5 Death or CLD at 28‐30 days Show forest plot

4

955

Risk Ratio (M‐H, Fixed, 95% CI)

0.90 [0.80, 1.01]

6 Death by 36‐37 weeks or discharge Show forest plot

9

2479

Risk Ratio (M‐H, Fixed, 95% CI)

0.98 [0.83, 1.16]

7 CLD at 36‐37 weeks PMA or discharge in survivors Show forest plot

9

2026

Risk Ratio (M‐H, Fixed, 95% CI)

0.88 [0.79, 0.99]

8 Death or CLD at 36‐37 weeks PMA or discharge Show forest plot

9

2479

Risk Ratio (M‐H, Fixed, 95% CI)

0.92 [0.85, 1.00]

9 Any pulmonary air leak Show forest plot

9

2473

Risk Ratio (M‐H, Fixed, 95% CI)

1.14 [1.00, 1.29]

10 Gross pulmonary air leak Show forest plot

7

1557

Risk Ratio (M‐H, Fixed, 95% CI)

1.24 [0.93, 1.67]

11 Intraventricular hemorrhage ‐ all grades Show forest plot

10

2971

Risk Ratio (M‐H, Fixed, 95% CI)

1.05 [0.96, 1.15]

12 Intraventricular hemorrhage ‐ grd 3 or 4 Show forest plot

11

3244

Risk Ratio (M‐H, Fixed, 95% CI)

1.11 [0.95, 1.31]

13 Periventricular leukomalacia Show forest plot

10

3179

Risk Ratio (M‐H, Fixed, 95% CI)

1.10 [0.84, 1.44]

14 Retinopathy of prematurity (grd 2 or more) in survivors Show forest plot

7

2240

Risk Ratio (M‐H, Fixed, 95% CI)

0.86 [0.74, 1.01]

15 Neurodevelopmental abnormality at 1‐3 yrs in those examined Show forest plot

2

477

Risk Ratio (M‐H, Fixed, 95% CI)

1.26 [1.01, 1.58]

Figuras y tablas -
Comparison 1. HFOV vs CV (all trials)
Comparison 2. HFOV vs CV (with volume recruitment)

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Death by 28‐30 days Show forest plot

7

1180

Risk Ratio (M‐H, Fixed, 95% CI)

1.10 [0.80, 1.50]

2 Mechanical ventilation at 28‐30 days in survivors Show forest plot

2

214

Risk Ratio (M‐H, Fixed, 95% CI)

1.00 [0.58, 1.70]

3 Oxygen at 28‐30 days in survivors Show forest plot

5

870

Risk Ratio (M‐H, Fixed, 95% CI)

0.95 [0.83, 1.09]

4 CLD at 28‐30 days (O2 + xray) in survivors Show forest plot

3

267

Risk Ratio (M‐H, Fixed, 95% CI)

0.53 [0.36, 0.76]

5 Death or CLD at 28‐30 days Show forest plot

3

282

Risk Ratio (M‐H, Fixed, 95% CI)

0.56 [0.40, 0.77]

6 Death by 36‐37 weeks or discharge Show forest plot

8

2383

Risk Ratio (M‐H, Fixed, 95% CI)

0.98 [0.83, 1.16]

7 CLD at 36‐37 weeks PMA or discharge in survivors Show forest plot

8

1939

Risk Ratio (M‐H, Fixed, 95% CI)

0.88 [0.79, 0.99]

8 Death or CLD at 36‐37 weeks PMA or discharge Show forest plot

8

2383

Risk Ratio (M‐H, Fixed, 95% CI)

0.92 [0.85, 1.00]

9 Any pulmonary air leak Show forest plot

7

1704

Risk Ratio (M‐H, Fixed, 95% CI)

1.10 [0.91, 1.33]

10 Gross pulmonary air leak Show forest plot

6

1461

Risk Ratio (M‐H, Fixed, 95% CI)

1.29 [0.95, 1.74]

11 Intraventricular hemorrhage ‐ all grades Show forest plot

8

2202

Risk Ratio (M‐H, Fixed, 95% CI)

1.01 [0.91, 1.13]

12 Intraventricular hemorrhage ‐ grd 3 or 4 Show forest plot

10

2477

Risk Ratio (M‐H, Fixed, 95% CI)

0.98 [0.81, 1.20]

13 Periventricular leukomalacia Show forest plot

8

2408

Risk Ratio (M‐H, Fixed, 95% CI)

0.91 [0.65, 1.26]

14 Retinopathy of prematurity (grd 2 or more) in survivors Show forest plot

6

1687

Risk Ratio (M‐H, Fixed, 95% CI)

0.82 [0.68, 0.98]

15 Neurodevelopmental abnormality at 1‐3 yrs in those examined Show forest plot

1

91

Risk Ratio (M‐H, Fixed, 95% CI)

0.98 [0.26, 3.68]

Figuras y tablas -
Comparison 2. HFOV vs CV (with volume recruitment)
Comparison 3. HFOV vs CV (without volume recruitment)

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Death by 28‐30 days Show forest plot

1

673

Risk Ratio (M‐H, Fixed, 95% CI)

1.06 [0.77, 1.46]

2 Mechanical ventilation at 28‐30 days in survivors Show forest plot

1

553

Risk Ratio (M‐H, Fixed, 95% CI)

1.10 [0.86, 1.41]

3 Oxygen at 28‐30 days in survivors

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

4 CLD at 28‐30 days (O2 + xray) in survivors Show forest plot

1

553

Risk Ratio (M‐H, Fixed, 95% CI)

0.99 [0.83, 1.17]

5 Death or CLD at 28‐30 days Show forest plot

1

673

Risk Ratio (M‐H, Fixed, 95% CI)

1.00 [0.88, 1.14]

6 Death by 36‐37 weeks Show forest plot

1

96

Risk Ratio (M‐H, Fixed, 95% CI)

1.36 [0.39, 4.75]

7 CLD at 36‐37 weeks PMA or discharge in survivors Show forest plot

1

87

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

8 Death or CLD at 36‐37 weeks PMA or discharge Show forest plot

1

96

Risk Ratio (M‐H, Fixed, 95% CI)

1.36 [0.39, 4.75]

9 Any pulmonary air leak Show forest plot

2

769

Risk Ratio (M‐H, Fixed, 95% CI)

1.19 [1.00, 1.42]

10 Gross pulmonary air leak Show forest plot

1

96

Risk Ratio (M‐H, Fixed, 95% CI)

0.65 [0.17, 2.58]

11 Intraventricular hemorrhage ‐ all grades Show forest plot

2

769

Risk Ratio (M‐H, Fixed, 95% CI)

1.16 [0.99, 1.37]

12 Intraventricular hemorrhage ‐ grd 3 or 4 Show forest plot

2

769

Risk Ratio (M‐H, Fixed, 95% CI)

1.45 [1.09, 1.93]

13 Periventricular leukomalacia Show forest plot

2

769

Risk Ratio (M‐H, Fixed, 95% CI)

1.64 [1.02, 2.64]

14 Retinopathy of prematurity (mod. or severe) in survivors Show forest plot

1

553

Risk Ratio (M‐H, Fixed, 95% CI)

0.99 [0.74, 1.31]

15 Neurodevelopmental abnormality at follow up in those examined Show forest plot

1

386

Risk Ratio (M‐H, Fixed, 95% CI)

1.28 [1.02, 1.60]

Figuras y tablas -
Comparison 3. HFOV vs CV (without volume recruitment)
Comparison 4. HFOV vs CV (with routine surfactant)

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Death by 28‐30 days Show forest plot

6

1115

Risk Ratio (M‐H, Fixed, 95% CI)

1.10 [0.80, 1.53]

2 Mechanical ventilation at 28‐30 days in survivors Show forest plot

2

214

Risk Ratio (M‐H, Fixed, 95% CI)

1.00 [0.58, 1.70]

3 Oxygen at 28‐30 days in survivors Show forest plot

5

870

Risk Ratio (M‐H, Fixed, 95% CI)

0.95 [0.83, 1.09]

4 CLD at 28‐30 days (O2 + xray) in survivors Show forest plot

2

214

Risk Ratio (M‐H, Fixed, 95% CI)

0.57 [0.35, 0.93]

5 Death or CLD at 28‐30 days Show forest plot

2

217

Risk Ratio (M‐H, Fixed, 95% CI)

0.54 [0.33, 0.87]

6 Death by 36‐37 weeks or discharge Show forest plot

8

2414

Risk Ratio (M‐H, Fixed, 95% CI)

0.98 [0.83, 1.16]

7 CLD at 36‐37 weeks PMA or discharge in survivors Show forest plot

8

1975

Risk Ratio (M‐H, Fixed, 95% CI)

0.90 [0.81, 1.01]

8 Death or CLD at 36‐37 weeks PMA or discharge Show forest plot

8

2414

Risk Ratio (M‐H, Fixed, 95% CI)

0.94 [0.86, 1.02]

9 Any pulmonary air leak Show forest plot

7

1735

Risk Ratio (M‐H, Fixed, 95% CI)

1.08 [0.89, 1.31]

10 Gross pulmonary air leak Show forest plot

6

1492

Risk Ratio (M‐H, Fixed, 95% CI)

1.23 [0.89, 1.70]

11 Intraventricular hemorrhage ‐ all grades Show forest plot

8

2233

Risk Ratio (M‐H, Fixed, 95% CI)

1.02 [0.91, 1.13]

12 Intraventricular hemorrhage ‐ grd 3 or 4 Show forest plot

9

2506

Risk Ratio (M‐H, Fixed, 95% CI)

1.01 [0.82, 1.24]

13 Periventricular leukomalacia Show forest plot

9

2506

Risk Ratio (M‐H, Fixed, 95% CI)

0.92 [0.66, 1.28]

14 Retinopathy of prematurity (grd 2 or more) in survivors Show forest plot

6

1687

Risk Ratio (M‐H, Fixed, 95% CI)

0.82 [0.68, 0.98]

15 Neurodevelopmental abnormality at 1‐3 yrs in those examined Show forest plot

1

91

Risk Ratio (M‐H, Fixed, 95% CI)

0.98 [0.26, 3.68]

Figuras y tablas -
Comparison 4. HFOV vs CV (with routine surfactant)
Comparison 5. HFOV vs CV (without routine surfactant)

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Death by 28‐30 days Show forest plot

2

738

Risk Ratio (M‐H, Fixed, 95% CI)

1.06 [0.78, 1.44]

2 Mechanical ventilation at 28‐30 days in survivors Show forest plot

1

553

Risk Ratio (M‐H, Fixed, 95% CI)

1.10 [0.86, 1.41]

3 Oxygen at 28‐30 days in survivors

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

4 CLD at 28‐30 days (O2 + xray) in survivors Show forest plot

2

606

Risk Ratio (M‐H, Fixed, 95% CI)

0.92 [0.78, 1.08]

5 Death or CLD at 28‐30 days Show forest plot

2

738

Risk Ratio (M‐H, Fixed, 95% CI)

0.95 [0.84, 1.08]

6 Death by 36‐37 weeks Show forest plot

1

65

Risk Ratio (M‐H, Fixed, 95% CI)

1.01 [0.40, 2.58]

7 CLD at 36‐37 weeks PMA or discharge in survivors Show forest plot

1

51

Risk Ratio (M‐H, Fixed, 95% CI)

0.23 [0.07, 0.73]

8 Death or CLD at 36‐37 weeks PMA or discharge Show forest plot

1

65

Risk Ratio (M‐H, Fixed, 95% CI)

0.52 [0.29, 0.94]

9 Any pulmonary air leak Show forest plot

2

738

Risk Ratio (M‐H, Fixed, 95% CI)

1.21 [1.02, 1.44]

10 Gross pulmonary air leak Show forest plot

1

65

Risk Ratio (M‐H, Fixed, 95% CI)

1.32 [0.65, 2.71]

11 Intraventricular hemorrhage ‐ all grades Show forest plot

2

738

Risk Ratio (M‐H, Fixed, 95% CI)

1.15 [0.98, 1.35]

12 Intraventricular hemorrhage ‐ grd 3 or 4 Show forest plot

2

738

Risk Ratio (M‐H, Fixed, 95% CI)

1.36 [1.03, 1.79]

13 Periventricular leukomalacia Show forest plot

1

673

Risk Ratio (M‐H, Fixed, 95% CI)

1.61 [0.99, 2.60]

14 Retinopathy of prematurity (mod. or severe) in survivors Show forest plot

1

553

Risk Ratio (M‐H, Fixed, 95% CI)

0.99 [0.74, 1.31]

15 Neurodevelopmental abnormality at 1‐3 yrs in those examined Show forest plot

1

386

Risk Ratio (M‐H, Fixed, 95% CI)

1.28 [1.02, 1.60]

Figuras y tablas -
Comparison 5. HFOV vs CV (without routine surfactant)