Baseline characteristics
| Characteristics | All infants (n=37) |
| Gestational age, weeks | 30.9 ± 2.4 |
| Gestational age, range | 26.3–35.9 |
| Gestational age (weeks) | |
| 32–35 | 11 (29.7) |
| 30–32 | 15 (40.5) |
| 26–30 | 11 (29.7) |
| Birth weight, g | 1580±519 |
| Male | 19 (51.4) |
| Twins (number of infants) | 11 (29.7) |
| Maternal age, year | 30.7±3.9 |
| Pre-eclampsia/HELLP | 8 (21.6) |
| Chorioamnionitis | 7 (18.9) |
| Antenatal steroids | |
| Complete (>48 hours) | 19 (51.4) |
| Partly (0–48 hours) | 15 (40.5) |
| No | 3 (8.1) |
| Caesarean section | 8 (21.6) |
Data are presented as mean±SD and n (%).
HELLP, haemolysis, elevated liver enzymes, low platelet syndrome.