Demographic data of both groups
| Oral (n=36) | IV (n=34) | p | |
|---|---|---|---|
| Birth weight, mean±SD (g) | 892±117 | 872±123 | 0.48 |
| Gestational age, mean±SD (weeks) | 26.4±1.1 | 26.3±1.3 | 0.50 |
| Male, n (%) | 20 (55.6) | 13 (38.1) | 0.14 |
| Caesarean delivery, n (%) | 31 (86.1) | 27 (79.4) | 0.45 |
| Prenatal steroids, n (%) | 25 (69.4) | 27 (79.4) | 0.34 |
| Premature rupture of membrane >18 h, n (%) | 9 (25) | 10 (29.4) | 0.67 |
| APGAR 1, median (min–max) | 5 (1–7) | 4 (1–7) | 0.17 |
| APGAR 5, median (min–max) | 7 (3–9) | 7 (4–9) | 0.28 |
| Surfactant for respiratory distress syndrome, n (%) | 27 (75) | 30 (88.2) | 0.15 |
| Caffeine treatment, n (%) | 36 (100) | 33 (97.1) | 0.30 |
| Patients with ductal size >1.5 mm and LA:Ao ratio >1.5, n (%) | 25 (69.4) | 26 (76.5) | 0.50 |
LA:Ao, left atrium-to-aorta ratio.