Table 3.

Comparison of the average ICU length of stay and intubation duration (days) between two groups

Variable	Intervention group (n 20)	Placebo group (n 20)	P-values
ICU length of stay (days)	9⋅4 ± 3⋅26	13⋅35 ± 5⋅55	<0⋅001¶
Hospital length of stay (days)	13⋅2 ± 7⋅65	19⋅15 ± 8⋅46	0⋅02¶
Days of mechanical ventilation (days)	6⋅85 ± 2⋅58	9⋅8 ± 4⋅05	<0⋅001¶¶

^¶Independent t test.

^¶¶Mann–Whitney U test.