Table 1.

Frequencies of colonized and infected patients with MDRO in ICU, main colonization sites, and factors associated with colonization.

MDRO	Number of patients colonized by each MDRO/total number (%)	Main anatomical sites of colonization	Factors associated with colonization	Infection (% in relation to total number of infected patients—26)
Imipenem-resistant Acinetobacter baumannii	27/53 (50.9)	Nasal cavity; groin	Pressure ulcer; carbapenem	35
Vancomycin-resistant Enterococcus	23/53 (43.4)	Perineum	Drain; glycopeptide	19
Klebsiella pneumoniae ESBL	20/53 (37.7)	Groin	Fluoroquinolone	27
Imipenem-resistant Pseudomonas aeruginosa	17/53 (32.1)	Nasal cavity; groin	Fluoroquinolone; mechanical ventilation	11
Oxacillin-resistant Staphylococcus aureus	4/53 (7.5)	Nasal cavity	No factor associated	0
Imipenem-resistant K. pneumoniae	3/53 (5.7)	Groin	Fluoroquinolone	8

MDRO: multidrug-resistant organism; ICU: intensive care unit; ESBL: extended-spectrum beta-lactamase.