Characteristics of infants
| No of infants (n) | 63 |
| Male sex, n (%) | 38 (60.3) |
| Singleton, n (%) | 48 (76.2) |
| GA at birth in weeks, median (IQR) | 30 (26–34) |
| Birth weight in g, median (IQR) | 1300 (850–2420) |
| Apgar score at 5 min, median (IQR) | 8 (6–9) |
| Apgar score at 10 min, median (IQR) | 8 (7–9) |
| Surfactant treatment, n (%) | 36 (57.1) |
| Congenital anomalies, n (%) | 2 (3.2) |
| Prenatal steroids, n (%) | 47 (74.6) |
GA, gestational age.