Table 3.

Data on ICU outcome

	Total population	Gram-negative group	Control group	p
Days of mechanical ventilation	2.11 ± 2.7	6.83 ± 1.53	1.80 ± 2.42	<0.001
ICU length-of-stay	4.78 ± 2.75	10.26 ± 2.43	4.42 ± 2.37	<0.001
ICU- death	12.65 %	16.67 %	12.39 %	NS