Table 3.

Oxygen requirement in the two groups

	Oxygen requirement (Hours) Mean ± SD	Time to readiness for Discharge (Hours) Mean ± SD
Group 1	54.71±5.89	100.86±6.74
Group 2	59.64±5.92	107.07±6.82
t	2.33	2.55
p	<0.05	<0.02