Recent Advances in Investigation, Prevention, and Management of Healthcare-Associated Infections (HAIs): Resistant Multidrug Strain Colonization and Its Risk Factors in an Intensive Care Unit of a University Hospital

Table 4

Analysis of risk factors related to bacterial infections upon ICU admission in male patients. OR: Odds Ratio; ∗: p<0.05; ∗∗: p<0.01; ∗∗∗: p<0.001.

Risk factor	MRSA colonization				VRE colonization
	Present [n]	Absent [n]	OR	P value	Present [n]	Absent [n]	OR	P value
Age > 65 years	10	208	0.9315	>0.9999	1	219	Infinity	>0.9999
Carmeli’s score	10	161	1.568	0.4675	1	183	Infinity	0.46
Respiratory diseases	5	68	1.669	0.3575	0	67	0	>0.9999
Cardiovascular diseases	8	165	0.96	>0.9999	1	193	Infinity	0.485
Chronic renal failure	0	9	0	>0.9999	0	9	0	>0.9999
Chronic liver diseases	0	21	0	0.6123	0	20	0	>0.9999
Cancer	3	30	2.22	0.1972	0	34	0	>0.9999
Hematologic malignancy	0	1	0	>0.9999	0	2	0	>0.9999
Diabetes mellitus	4	53	1.671	0.3257	0	70	0	>0.9999
Risk factor	ESBL colonization				CRE colonization
	Present [n]	Absent [n]	OR	P value	Present [n]	Absent [n]	OR	P value
Age > 65 years	53	352	1.267	0.3101	87	312	1.334	0.1137
Carmeli’s score	46	273	1.497	0.0866	80	246	1.686	0.0039∗∗
Respiratory diseases	15	109	1.015	>0.9999	29	90	1.406	0.168
Cardiovascular diseases	32	312	0.6172	0.0415∗	57	282	0.7463	0.1289
Chronic renal failure	6	10	4.663	0.0074∗∗	7	14	2.117	0.156
Chronic liver diseases	12	20	4.948	0.0001∗∗∗	12	21	2.474	0.022∗
Cancer	9	47	1.455	0.2914	18	51	1.518	0.1538
Hematologic malignancy	1	1	7.432	0.2251	0	2	0	>0.9999
Diabetes mellitus	12	104	0.8257	0.6422	28	90	1.347	0.2105