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 (%)