The Egyptian Journal of Bronchology

Table 1 Demographic data of the patients

From: Microbiological analysis of nosocomial pneumonia at Tanta University Chest Hospital

		Group						T-test
		HAP N = 50			VAP N = 50			t	p-value
Age	Range	22	-	81	20	-	86	− 1.379	0.171
	Mean ± SD	54.520	±	13.762	58.940	±	18.008
	Median (IQR)	55 (45–66)			64 (47–72)
Chi-square		N		%	N		%	Χ²	p-value
Gender	Male	27		54.00	26		52.00	0.040	0.841
Gender	Female	23		46.00	24		48.00	0.040	0.841
Occupation	Housewife	17		34.00	18		36.00	14.660	0.101
	Student	1		2.00	2		4.00
	Farmer	9		18.00	6		12.00
	Retired employee	4		8.00	13		26.00
	Employee	8		16.00	2		4.00
	Worker	6		12.00	6		12.00
	Fruit seller	3		6.00	0		0.00
	Retired nurse	1		2.00	2		4.00
	Retired engineer	0		0.00	1		2.00
	Driver	1		2.00	0		0.00
Smoking status	Nonsmoker	35		70.00	28		56.00	4.585	0.101
	Smoker	7		14.00	16		32.00
	Ex-smoker	8		16.00	6		12.00
Comorbidities	Yes	35		70.00	28		56.00	2.102	0.147
Comorbidities	No	15		30.00	22		44.00	2.102	0.147
Comorbidities	DM	20		40.00	15		30.00	1.099	0.295
	HTN	16		32.00	19		38.00	0.396	0.529
	IHD	5		10.00	4		8.00	0.122	0.727
	Epilepsy	1		2.00	0		0.00	1.010	0.315
	Liver disease	2		4.00	0		0.00	2.041	0.153
	Stroke	3		6.00	4		8.00	0.154	0.695
	Cor pulmonale	1		2.00	3		6.00	1.042	0.307
	Rheumatoid arthritis	1		2.00	0		0.00	1.010	0.315
	Obesity	0		0.00	2		4.00	2.041	0.153
	Bipolar disorder	1		2.00	0		0.00	1.010	0.315
	Hodgkin lymphoma	1		2.00	0		0.00	1.010	0.315
	Thyroid lymphoma	0		0.00	1		2.00	1.010	0.315
	AF	0		0.00	1		2.00	1.010	0.315
	Allergic rhinitis	3		6.00	0		0.00	3.093	0.079
	Chronic kidney disease	1		2.00	0		0.00	1.010	0.315

AF atrial fibrillation, DM diabetes mellitus, HAP hospital-acquired pneumonia, HTN hypertension, IHD ischemic heart disease, VAP ventilator-associated pneumonia. Data were presented by median (interquartile range, IQR), numbers (percentage) or mean ± standard deviation (x ± s) (continuous). Continuous variables were compared using Student’s t-test and categorical variables using Pearson’s chi-square with consideration of P-value are significant if < 0.05

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