Table 2.

Outcomes

GroupnCPAPnSIMVStatistics
N 2727
Number of infants
who failed
extubation
12 4Fisher's exact test,
P < .05
Failed because of
hypercapnia,n
 3 0NS
Failed because of
severe apnea,n
10 3NS
Failed because of
Fio 2 >0.8,n
 0 1NS
Apnea frequency per
24 hours after
extubation, mean
(SD)
8.2 (12)5.1 (4.4)Two-tailed unpaired
t test, P < .05
Episodes of
withholding at
least 1 feed
 610NS
BPD (O2
dependence at 36
weeks' PCA),n
1512NS
Home O2,n  2 2NS
Duration of hospital
stay, days, mean
(SD)
92 (26)86 (23)NS
  • NS indicates not significant; BPD, bronchopulmonary dysplasia; O2, oxygen; PCA, postconceptional age.