Cumulative dose of surfactant (mg/kg) | 163 (0–402) | 153 (64–330) | 0.84 |
Mechanical ventilation (days) | 20 (2–72) | 20 (2–51) | 0.32 |
Time at first extubation (days) | 9 (0–45) | 6 (0–32) | 0.41 |
Length of hospital stay (days) | 123 (57–225) | 106 (76–156) | 0.01 |
Body weight at discharge (g) | 3290 (2000–4230) | 2830 (2020–5150) | 0.03 |
Pneumothorax | 2 (7) | 2 (10) | 1.00 |
Pulmonary interstitial emphysema | 5 (18) | 4 (19) | 1.00 |
Treatment with dexamethasone | 2 (7) | 6 (29) | 0.05 |
Persistent ductus arteriosus | 4 (14) | 6 (29) | 0.29 |
Intracerebral haemorrhage | | | |
All grades | 10 (36) | 9 (43) | 0.61 |
Severe grades (3/4) | 3 (11) | 1 (5) | 0.63 |
Periventricular leucomalacia | 3 (11) | 1 (5) | 0.63 |
Retinopathy | | | |
All grades | 18 (64) | 10 (48) | 0.24 |
Severe grades (4/5) | 4 (11) | 0 (0) | 0.13 |
Necrotising enterocolitis | 2 (7) | 0 (0) | 0.50 |
Supplemental oxygen at discharge | 6 (21) | 1 (5) | 0.21 |