Noninvasive (CPAP) group. No. = 20

Venturi group. No. = 20

Chi square test

T

P-value

ICU stay median length (hours)

Median (IQR)

20 (18 - 21)

26 (24 - 28)

1.103

0.025

duration of hospitalization (days)

Mean ± SD

11 ± 1.50

14 ± 2.80

−1.697

0.031