TABLE 3.

Risk factors associated with acquisition of Acinetobacter isolates with carbapenem MIC of ≥8 mg/liter

Variablea	Univariate analysis		Multivariate analysis
	OR (95% CI)b	P	OR (95% CI)b	P
Acquired in ICU	2.770 (1.593–4.817)	<0.001	2.305 (1.295–4.103)	0.005
Previous use of antipseudomonal carbapenems	2.583 (1.202–5.549)	0.015	2.331 (1.027–5.290)	0.043
Solid tumor	0.555 (0.302–1.020)	0.058
Presence of endotracheal tube or tracheostomy	2.330 (1.272–4.271)	0.006
Ventilator use	2.050 (1.163–3.612)	0.013
Catheter as source of bacteremia	2.437 (1.057–5.620)	0.037
Bacteremia caused by A. baumannii	2.062 (1.209–3.519)	0.008	2.194 (1.243–3.873)	0.007

^aICU, intensive care unit.

^bOR, odds ratio; CI, confidence interval.