TABLE 1.
Demographic and perinatal characteristics of the study population
| Period 1 (n=675) | Period 2 (n=851) | |
|---|---|---|
| Gestational age, weeks (mean ± SD) | 28±2.3 | 28±2.3 |
| Birth weight, g (mean ± SD) | 1195±405 | 1193±398 |
| Male, n (%) | 384 (57) | 475 (56) |
| Multiple births, n (%) | 220 (33) | 282 (33) |
| Breech presentation, n (%) | 195 (29) | 226 (27) |
| Caesarian delivery, n (%) | 348 (52) | 491 (58)* |
| Prenatal steroids†, n (%) | 596 (88) | 691 (81)* |
| SGA, n (%) | 78 (12) | 111 (13) |
| Apgar score of <4 at 1 min, n (%) | 130 (19) | 161 (19) |
| Apgar score of <4 at 5 min, n (%) | 22 (3) | 23 (3) |
| PIH, n (%) | 86 (13) | 116 (13) |
*P<0.05;
†At least one dose. PIH Pregnancy-induced hypertension;
SGA Small for gestational age