TABLE 2.

Baseline Characteristics of Infants in Intervention and Control Groups

Intervention (n = 25)Control (n = 25)P Value
Mean gestational age at birth, wk29.0 (24–36)30.2 (24–35).24
Mean birth weight, g1267 (420–2495)1530 (600–2450).11
Twins1 (4)3 (12).30
Male gender11 (44)18 (72).04
Extremely low birthweight infants (≤1000 g)9 (36)5 (20).21
Very low birth weight infants (1001–1500 g)7 (28)7 (28)1.0
NICU stay, d67 (14–150)54 (18–127).26
Mechanical ventilation, d3.7 (0–17)2.8 (0–25).56
Continuous positive airway pressure, d29 (0–106)13 (0–69).04
Infants with septicemia16 (64.0)9 (36.0).05
Infants with intraventricular hemorrhage III–IV0 (0)0 (0)1.0
Infants with pneumothorax4 (16.0)1 (4.0).16
Infants with bronchopulmonary dysplasia15 (60.0)9 (36.0).09
Infants with patent ductus arteriosus9 (36.0)3 (12.0).05
Infants with necrotizing enterocolitis1 (4.0)1 (4.0)1.0
Infants with retinopathy of prematurity (any)6 (24.0)4 (16.0).48
No. of surgical procedures required0.28 (0–2)0.68 (0–7).28
  • Values are either mean (range) or n (%). Comparisons were done using the 2-sided t test or χ2 test as appropriate.