Mean (SD) birth weight, g | 3301 (507) | 3512 (530) | 3537 (558) | .001 |
Mean (SD) gestational age, wk | 38.7 (1.3) | 39.0 (1.4) | 38.8 (1.4) | .37 |
Prematurity (<37 wk), n (%) | 5 (5.8) | 3 (3.8) | 24 (5.5) | .79 |
Mean (SD) Apgar score at 1 min | 8.5 (1.4) | 8.5 (1.4) | 8.5 (1.1) | .84 |
Mean (SD) Apgar score at 5 min | 9.0 (0.4) | 8.8 (1.1) | 9.0 (0.4) | .037 |
Mean (SD) head circumference, cm | 34.7 (1.4) | 35.0 (1.6) | 35.0 (1.7) | .33 |
Mean (SD) length, cm | 49.7 (3.4) | 51.1 (2.7) | 50.8 (3.0) | .006 |
Mean (SD) arterial pH | 7.25 (0.08) | 7.24 (0.08) | 7.24 (0.09) | .61 |
Mean (SD) venous pH | 7.32 (0.07) | 7.30 (0.08) | 7.30 (0.08) | .27 |
NAS, Finnegan score > 0, n (%) | 22 (25.6) | 8 (10.0) | 0 (0.0) | < .001 |
NAS, Finnegan score > 7, n (%) | 11 (12.8) | 5 (6.2) | 0 (0.0) | < .001 |
Transferred out, n (%) | 1 (1.2) | 5 (6.2) | 5 (1.2) | .006 |
Mean (SD) length of stay, d* | 2.41 (1.53) | 1.70 (1.05) | 1.65 (0.94) | < .001 |
Stillbirths, n (%)† | 2 (2.3) | 1 (1.2) | 4 (0.9) | .540 |
Males, n (%) | 39 (45.3) | 33 (41.2) | 204 (47.0) | .62 |