Table 3.
Baseline characteristics of the study population included in phase 2.
| Variables | Neonates (2167) |
|---|---|
| Gestational age (wks) | 38.9 ± 1.5 |
| > 37 wks | 1983 (91.5) |
| 35 - 36 wks | 184 (8.5) |
| Birth weight (g) | 3237 ± 471 |
| Small for gestational age | 115 (5.3) |
| Male | 1137 (52.5) |
| Race | |
| White | 1952 (90.1) |
| Asian | 106 (4.9) |
| Black African | 55 (2.5) |
| Hispanic | 54 (2.5) |
| Mode of delivery | |
| Vaginal | 1159 (53.5) |
| Cesarean section | 953 (44) |
| Vacuum extractor | 55 (2.5) |
| Apgar score | |
| < 7 at 1' | 53 (2.4) |
| < 7 at 5' | 0 |
| Feeding | |
| Exclusive breast feeding | 1267 (58.5) |
| Breast + bottle feeding | 848 (39.1) |
| Bottle feeding | 52 (2.4) |
| Weight loss > 10% | 127 (5.9) |
| Age at TSB (h.) | 63 ± 21 |
| TSB value (mg/dL) | 9.4 ± 0.6 |
| Significant hyperbilirubinemia | 55 (2.5) |
| Required phototherapy | 46 (2.1) |
| TSB > 17 mg/dL | 9 (0.4) |
Values expressed as mean ± SD or number (%)