TABLE 2

Clinical Characteristics of Newborns With and Without Hemodynamically Significant PDA

Clinical VariablesAbsent (n = 38)Present (n = 19)P
Gestational age at birth26.6 (24–27.9)25 (24.1–27.7).001
Small for gestational age4 (11)1 (6).9
Chronic lung disease6 (16)10 (59).003
Necrotizing enterocolitis1 (3)7 (37).001
Systemic infection23 (58)9 (75).3
Mechanical ventilation, d19.5 (0–63)46 (24–100).0001
Indomethacin treatment
    Short course32 (84)1 (5).0001
    Prolonged course6 (16)18 (95)
  • Data are n (%) or median (range).