n | 10 | 30 | | 21 | 63 | |
Gestational age in weeks, mean±SD | 28.3±0.9 | 28.6±0.9 | 0.38 | 28.6±1.0 | 28.8±1.1 | 0.44 |
Birth weight in kg, mean±SD | 1.170±0.216 | 1.155±0.255 | 0.86 | 1.169±0.288 | 1.206±0.267 | 0.61 |
Gender, female/male | 6/4 | 16/14 | >0.99 | 11/10 | 25/38 | 0.32 |
Vaginal delivery, n (%) | 3 (30) | 14 (47) | 0.47 | 6 (29) | 23 (36) | 0.60 |
Prenatal care, n (%) | 10 (100) | 27 (90) | 0.56 | 21 (100) | 62 (98) | >0.99 |
Antenatal steroids, n (%) | 10 (100) | 30 (100) | >0.99 | 20 (95) | 60 (95) | >0.99 |
Rupture of membranes >24 hours, n (%) | 2 (20) | 3 (10) | 0.58 | 3 (14) | 17 (27) | 0.38 |
Resuscitation in delivery room, n (%) | 10 (100) | 30 (100) | >0.99 | 21 (100) | 62 (98) | >0.99 |
Apgar score at 5 min, median (range) | 9 (8–10) | 9 (6–10) | 0.37 | 8 (6–10) | 9 (4–10) | 0.49 |