Microbiological analysis of nosocomial pneumonia at Tanta University Chest Hospital

The Egyptian Journal of Bronchology

Table 9 Duration of mechanical ventilation, hospital admission, and outcome in HAP and VAP groups

		Group						T-test
		HAP N = 50			VAP N = 50			t	p-value
Duration of mechanical ventilation (days)	Range	-	-	-	7	-	48	-	-
Duration of mechanical ventilation (days)	Mean ± SD	-	±	-	15.160	±	9.153	-	-
Duration of hospital admission (days)	Range	10	-	34	7	-	50	0.797	0.427
Duration of hospital admission (days)	Mean ± SD	21.340	±	6.026	19.960	±	10.654	0.797	0.427
Chi-square		N		%	N		%	Χ²	P-value
Outcome	Discharge	43		86.00	17		34.00	28.167	< 0.001*
Outcome	Death	7		14.00	33		66.00	28.167	< 0.001*