Univariate and multivariate analyses of risk factors for appearance of IR-MDRAB.

NOTE. aCategorical data are no.(%) of subject, continuous data are expressed as mean (SD) or median [quartiles]. bAll variables included in the final multivariable model are shown. cOnly significant (p<0.05) and selected non-significant variables in univariate analysis are shown. OR = odds ratio; CI = confidence interval; TAR = time at risk; ICU = intensive care unit; APACHE II = Acute Physiology and Chronic Health Evaluation II; SD = standard deviation.