| Control n = 644 | rhEPO n = 641 | p-value | Total |
---|---|---|---|---|
Gestation age (weeks), median (quartile range) | 30.0 (29.0–31.0) | 29.7 (28.9–30.9) | 0.138 | 29.9 (29.0–30.9) |
Birth weight (g), median (quartile range) | 1300 (1100–1450) | 1250 (1100–1410) | 0.131 | 1300 (1100–1450) |
Small for gestational age (%) | 132/644 (20.5) | 149/641 (23.2) | 0.228Â | 281/1285 (21.9) |
Male (%) | 385/644 (59.8) | 374/641(58.3) | 0.601 | 759/1285 (59.1) |
Severe asphyxia (%) | 30/644 (4.7) | 24/641 (3.7) | 0.414 | 54/1285 (4.2) |
Mechanical ventilation ≥ 7 days (%) | 67/644 (10.4) | 88/641 (13.7) | 0.067 | 155/1285 (12.1) |
Patent ductus arteriosus (%) | 132/644 (20.5) | 111/641 (17.3) | 0.146 | 243/1285 (18.9) |
Caesarean section (%) | 384/644 (59.6) | 401/641 (62.6) | 0.281 | 785/1285 (61.1) |
Premature rupture membranes (%) | 234/644 (36.3) | 227/641(35.4) | 0.730 | 461/1285 (35.9) |
Hypertension of pregnancy (%) | 155/644 (24.1) | 181/641 (28.2) | 0.089 | 336/1285 (26.1) |
First feeding (days), mean ± SD | 4.3 ± 2.1 | 4.5 ± 2.2 | 0.324 | 4.4 ± 2.2 |
Formula milk feeding (%) | 181/644 (28.1) | 166/641 (25.9) | 0.374 | 347/1285 (27.0) |