TABLE 1.

Characteristics of Study Infants

Group DM (n = 81)Group PF (n = 92)Group MM (n = 70)Group DM Versus Group PF, PGroup MM Versus Combined Groups DM and PF, P
Birth weight, g, mean ± SD947 ± 233957 ± 267999 ± 259.76.31
Gestational age, wk27 ± 227 ± 227 ± 2.99.23
Receipt of prenatal steroids, n (%)62 (77)76 (83)66 (94).43.011
Male gender, n (%)46 (57)46 (50)35 (50).32.61
Apgar score at 5 min of <7, n (%)14 (17)22 (24)9 (13).31.12
Mechanical ventilation, d14 ± 1419 ± 2412 ± 15.076.10
Chronic lung disease, n (%)12 (15)25 (28)9 (13).048*
Duration of central venous catheter use, d24 ± 1824 ± 1821 ± 15.97.46
Age achieved feeding of ≥50 mL/kg, d18 ± 1018 ± 1116 ± 8.77.21
Hospital stay, d87 ± 5390 ± 5675 ± 37.66.04
  • * Group MM versus group DM versus group PF: P = .013 (group MM versus group DM: P = .42; group MM versus group PF: P = .044).