TABLE 2

Demographic Characteristics of Infants Randomly Assigned to nCPAP or HHHFNC

nCPAP (n = 220)HHHFNC (n = 212)
Gestational age, mean ± SD, wk33.2 ± 3.233.5 ± 3.6
 <32 wk, n (%)75 (34)75 (35)
Birth weight, mean ± SD, g2108 ± 7822201 ± 816
 <2000 g, n (%)111 (50)100 (47)
Male, n (%)137 (62)137 (65)
Antenatal steroids, n (%)71 (32)80 (38)
Respiratory distress syndrome, n (%)162 (74)156 (74)
Study start age, median (25%–75%), h20 (7–54)24 (8–62)
Start age <7 d, n (%)201 (91)194 (92)
Prestudy support mode, n (%)
 Ventilator145 (66)146 (69)
 nCPAP46 (21)39 (18)
 Other (NC, hood O2, room air)29 (13)27 (13)
Prestudy surfactant, n (%)129 (59)142 (67)
Prestudy nitric oxide, n (%)18 (8)13 (6)
Prestudy caffeine, n (%)66 (30)58 (27)
  • P > .05 for all comparisons.