Characteristics of infants in group A (nasal continuous positive airway pressure (NCPAP)) and group B (bi-level NCPAP) at the time of randomisation (values expressed as mean±SD)
| Group A (n=20) | Group B (n=20) | |
|---|---|---|
| Birth weight, g | 1429±545 | 1411±560 |
| Gestational age, weeks | 30.3±2 | 30.2±2 |
| Cord pH | 7.32±0.05 | 7.25±0.16 |
| Number of infants treated with antenatal steroids (%) | 4 (20%) | 2 (10%) |