TABLE 3.

Characteristics of Infants Contributing to Apnea Probability Estimates

Mean or % (SD)
Gestational age at birth
 24–26 wk39%
 27–29 wk45%
 >29 wk16%
Birth weight (g)994(301)
Weight at discharge (g)2358(412)
Antenatal corticosteroid therapy78%
Postnatal dexamethasone44%
Mechanical ventilation during admission82%
Methylxanthine therapy during admission93%
Discharged home on methylxanthine2%
  • SD indicates standard deviation.