TABLE 1.

Characteristics of the Total Cohort of Premature Infants

CharacteristicsNo. of Infants in Cohort (% Total Cohort n = 119 Infants)
Birth weight, g, mean ± SD (range)1040 ± 272 (440–1505)
Gestational age, wk, mean ± SD (range)27.7 ± 2.2 (23–32)
Male/female59:60
Singletons91 (76%)
IUGR*26 (22%)
Prolonged rupture of membranes26 (22%)
Antenatal steroids administered103 (87%)
Positive pressure ventilation, d, mean ± SD (range)5.7 ± 12 (0–62)
Oxygen therapy, d, mean ± SD (range)26 ± 37 (0–138)
Bronchopulmonary dysplasia (oxygen requirement at 36 wk)25 (21%)
Pneumothorax5 (4%)
Postnatal steroid therapy3 (2%)
Patent ductus arteriosus (confirmed by echocardiography)38 (32%)
Age of full enteral feeding, wk, mean ± SD (range)10.3 ± 9.2 (0–50)
IVH, any grade20 (17%)
IVH, grade III/IV§7 (6%)
  • * z score > 2 SD below weight for gestational age.

  • Proven rupture of membranes for >24 hours.

  • Postnatal dexamethasone, 0.15 mg/kg per day, reducing over 14 days.

  • § Based on Papile classification.