TABLE 1

Baseline Clinical Characteristics of the Infants and Their Mothers

CharacteristicControl Group (n = 143)SLI Group (n = 148)
Mothers
 Antenatal steroids 125 (87)134 (91)
 Cesarean delivery 116 (81)120 (81)
 Placental abruption 15 (10)21 (14)
 Hypertension disorders 42 (29)35 (24)
 pPROM 39 (27)39 (26)
 Chorioamnionitis 14 (10)19 (13)
 Other complications 43 (30)48 (32)
Infants
 Gestational age, mean ± SD, wk26.8 ± 1.226.8 ± 1.1
  25–26 55 (38)52 (35)
  27–28 88 (62)96 (65)
 Birth weight, mean ± SD, g894 ± 247893 ± 241
 Male sex 65 (45)86 (58)
 Birth weight <10th percentile for gestational age 31 (22)32 (22)
 Singleton birth 98 (69)101 (68)
  • Unless otherwise indicated, data are n (%). pPROM, prolonged premature rupture of membranes.