Race |
White (%) | 30.8 | 43.8 | 54.5 |
Black (%) | 46.2 | 50.0 | 36.4 |
Asian (%) | 23.1 | 6.3 | 9.1 |
Male (%) | 46.2 | 56.3 | 45.5 |
Weight (g)* | 1110.9 (134.6) | 833.8 (118.6) | 670.9 (64.3) |
Gestation (weeks)* | 28.8 (1.2) | 26.0 (1.1) | 24.9 (1.2) |
Apgar 1 min* | 7 (1.3) | 6 (1.8) | 5 (1.7)† |
Apgar 5 min* | 8 (0.8) | 7 (1.4) | 7 (0.7)† |
Antenatal steroid (%) | 76.9 | 68.8 | 63.6 |
Caesarean section (%) | 46.15 | 50.0 | 72.7† |
No. of ventilation days* | 2.9 (3.9) | 13.1 (10.5) | 41.2 (28.7) |
No. of days on oxygen* | 13 (10.0) | 45.9 (15.7) | 94.8 (2.06) |
Length of hospital stay* | 49.9 (11.1) | 75.8 (13.2) | 118.2 (16.6) |
Postnatal steroid (%) (during 3rd or 4th week) | 15.4 | 31 | 55 |
Blood culture positive (%) (during 3rd or 4th week) | 0 | 25.0 | 45.5 |