TABLE 2.

Demographic, Clinical, and Polysomnography Profiles of 25 Infants

Gestational age, mean (SD), wk	39.4 (1.6)
Birth weight, mean (SD), kg	3.39 (0.56)
Sex
Male	n = 15
Female	n = 10
Electrographic seizures during NICU admission	n = 9 (36%)
Head circumference, mean (SD), cm	34.7 (1.8)
1 min Apgar score, median (IQR)	3 (0–6)
5 min Apgar score, median (IQR)	7 (4–10)
Arousal index, mean (SD), arousal/hr sleep	23.5 (16.0)
Apnea/hypopnea index, mean (SD), event/hr sleep	13.1 (11.9)
Quiet sleep apnea/hypopnea index	7.7 (7.6)
Active sleep apnea/hypopnea index	21.9 (21.3)
Obstructive apnea index	1.1 (2.0)
Central apnea index	3.5 (4.9)
Mean % oxygen saturation during sleep, mean (SD)	96.4 (1.8)
Minimum % oxygen saturation during sleep, mean (SD)	74.4 (16.4)