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Table 1 Characteristics of study infants

From: Early microbial and metabolomic signatures predict later onset of necrotizing enterocolitis in preterm infants

Variable, description NEC Controls
  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)
  1. aNEC vs controls, primiparity P = 0.05.
  2. NEC: necrotizing enterocolitis.