Characteristics of Study Neonates
Symptomatic | Asymptomatic | P Value | |
---|---|---|---|
No. of neonates | 38 | 818 | |
Gender (M:F) | 25:13 | 433:385 | .12 |
Birth weight, g | 3631 ± 543* | 3452 ± 465 | .45 |
Gestational age, wk | 40† (36–42) | 40 (35–43) | .27 |
Umbilical artery pH | 7.25 (7.07–7.37) | 7.24 (6.86–7.43) | .12 |
Umbilical artery Pco2, mm Hg | 57.5 (37–89) | 57.0 (20–114) | .11 |
Umbilical artery base, mEq/L | −3.8† (−11.7 to 2.1) | −4.5 (−20.5 to 13.1) | .06 |
Meconium-stained amniotic fluid, % | 39 | 25 | .14 |
Apgar scores | |||
1 min | 8† (4–9) | 8 (1–9) | .002‡ |
5 min | 9† (8–9) | 9 (6–10) | .58 |
Resuscitation at delivery, % | |||
Bag-mask ventilation | 23 | 8 | .002 |
Naloxone | 5 | 0.3 | .005 |
Intubation for meconium | 5 | 0.6 | .03 |
Meconium below the vocal cords | 0 | 0 | NA |
Duration of antibiotic therapy, h | 159† (87–202) | 46 (20–84) | <.001 |
Duration of hospitalization, d | 6.9† (4.7–8.7) | 2.6 (2.0–10.2)§ | <.001 |