TABLE 1

Demographic and Clinical Characteristics (N = 272)

Characteristic
 Female gender152 (56%)a
 Gestational age, wk29.57 ± 2.89b
 Age at start of study, d22 (1, 140)c
 Apgar 1d6.81 ± 2.08
 Apgar 5e8.11 ± 1.21
 Weight at birth, g1321.22 ± 495.32
 Respiratory distress/Respiratory distress syndrome153 (88%)
 Clinical sepsis87 (32%)
 SGA53 (19%)
Values at baseline
 Weight, g1596 ± 374.99
 Heart rate156.30 ± 8.45
 Respiratory rate50.58 ± 7.65
 O2 saturation96.83 ± 2.65
 Total calories128.91 ± 50.56
 Sucking behavior9.88 ± 2.77
  • a Frequency (%).

  • b Mean ± SD.

  • c Median (minimum, maximum).

  • d Apgar score at birth.

  • e Apgar score at 5 min.