Univariate and Multivariate Cox Regression Analysis of Potential Risk Factors for the Development of IAB in the Study Patients (n = 1,453).

*p<0.05, **p<0.001. Multivariate Cox regression performed by the method of forward stepwise technique was applied. APACHE, Acute Physiology and Chronic Health Evaluation; CHF, congestive heart failure; CI, confidence interval; COPD, chronic obstructive pulmonary disease; HR, hazard ratio; IAB, intensive care unit-acquired bacteremia; ICU, intensive care unit.