Baseline characteristics of preterm infants receiving either oral vitamin A supplementation or placebo
| Vitamin A n=77 | Placebo n=77 | |
| Median (IQR) gestational age (weeks) | 26 (25–27) | 26 (25–27) |
| Median (IQR) birth weight (g) | 806 (710–890) | 782 (662–880) |
| Male | 37 (48%) | 30 (39%) |
| < 750 g | 29 (38%) | 33 (43%) |
| Antenatal steroids | 59 (77%) | 63 (82%) |
| Surfactant | 77 (100%) | 76 (99%) |
| Mean (range) time receiving TPN (days) | 20 (12–30) | 20 (15–27) |
IQR, interquartile range; TPN, total parenteral nutrition.