Number | 70 | 120 | |
Gestational age (weeks) | 27 (23–31) | 27 (23–31) | 0.99 |
Birth weight (g) | 920 (510–2178) | 934 (515–3000) | 0.71 |
Antenatal corticosteroids | 95.3% | 81.8% | 0.033 |
Postnatal surfactant | 91.4% | 82.5% | 0.089 |
CPAP | 41.4% | 75.7% | <0.0001 |
IPPV | 95.6% | 97.3% | 0.67 |
Duration of IPPV (days) | 13 (0–103) | 10 (0–96) | 0.329 |
Duration of supplementary oxygen (days) | | | |
83 (0–1213) | 60 (4–457) | 0.027 |
HFOV | 4.4% | 4.6% | 1.00 |
Inhaled nitric oxide | 4.3% | 4.3% | 1.00 |
Pneumothorax | 12.9% | 9.2% | 0.44 |
Postnatal dexamethasone | 41.4% | 36.3% | 0.49 |
PIE | 5.7% | 2.5% | 0.43 |
PDA | 37.1% | 31.1% | 0.39 |
At discharge/transfer | | | |
Postnatal age (days) | 103 (10–827) | 70 (2–464) | 0.0435 |
Postmenstrual age (weeks) | 38.6 (28.6–143.1) | 37.6 (25.9–92.3) | 0.0147 |