Table 1 Characteristics of study infants
Variable, description | NEC | Controls |
|---|---|---|
| Â | n = 11 | n= 21 |
  Birth weight, mean (SD) (g) | 791 (212) | 839 (187) |
  Gestational age, mean (SD) (weeks) | 25.5 (1.8) | 25.9 (1.5) |
  Non-Hispanic black, number (%) | 5 (45.5) | 8 (38.1) |
  Male, number (%) | 6 (54.6) | 8 (38.1) |
  Patent ductus arteriosus (PDA), number (%) | 7 (63.36) | 12 (57.1) |
  Primiparous, number (%) | 7 (63.6)a | 5 (23.8) |
  Prenatal steroids given (any), number (%) | 10 (90.9) | 19 (90.5) |
  Hypertension/eclampsia, number (%) | 2 (18.2) | 7 (33.3) |
  Antepartum hemorrhage, number (%) | 1 (9.1) | 5 (23.8) |
  Multiple births, number (%) | 1 (9.1) | 7 (33.3) |
  Antepartum antibiotic therapy, number (%) | 6 (54.6) | 10 (47.6) |
  Cesarean section delivery, number (%) | 7 (63.6) | 14 (66.7) |
  Chorioamnionitis, number (%) | 1 (9.1) | 1 (4.8) |
  Antibiotic use in the first week for ≥5 d, number (%) | 4 (36.4) | 6 (28.6) |