Table 1

Characteristics of study infants

CharacteristicNumber
Study infants692
Hospital mortality80 (12%)
Congenital malformations82 (12%)
Male366 (53%)
Outborn118 (17%)
MedianInterquartile range
Birthweight (grams)1088861 to 1295
Gestation (weeks)28.426.9 to 30.1
APGAR 1 minute 64 to 8
APGAR 5 minute 87 to 9
Max O2 requirement (FiO2)0.500.27 to 0.80
Min O2 requirement (FiO2)0.210.21 to 0.28
Base excess−4.0−6.3 to −1.9
No infants/shift20.819.1 to 23.6
No staff/shift12.812.1 to 13.7
Dependency16.915.0 to 19.4