Perinatal and neonatal characteristics
| Characteristic | Infants analysed (n=91) |
|---|---|
| Gestational age (weeks) | 26.3±1.0 |
| Distribution of gestational ages | |
| [240/7–246/7] weeks, n (%) | 11 (12) |
| [250/7–256/7] weeks, n (%) | 17 (19) |
| [260/7–266/7] weeks, n (%) | 36 (39) |
| [270/7–276/7] weeks, n (%) | 27 (30) |
| Antenatal betamethasone (%) | 66 |
| Vaginal delivery (%) | 42 |
| Birth weight (g) | 823±164 |
| Male (%) | 59 |
| Small for gestational age (%) | 20 |
| Exogenous surfactant ≥2 doses (%) | 39 |
| NEC (%) | 3 |
| Spontaneous intestinal perforation (%) | 2 |
| IVH ≥ grade 3 (%) | 21 |
| BPD at 36 weeks PMA (%) | 35 |
| Death (%) | 17 |
| Death or BPD (%) | 52 |
Data are presented as mean±SD or n (%) or %.
BPD, bronchopulmonary dysplasia; IVH, intraventricular haemorrhage; NEC, necrotising enterocolitis; PMA, postmenstrual age.