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Table 2 Multivariable logistic modeling of variables associated with in-hospital death among patients admitted for at least 48 hours to a Calgary Health Region intensive care unit, 2000–2002

From: Intensive care unit-acquired urinary tract infections in a regional critical care system

Variable Odds ratio (95% CI) P
Admission APACHE II score (per point) 1.09 (1.08–1.10) <0.001
Logarithm of ICU length of stay (per day) 1.31 (1.18–1.45) <0.001
Non-cardiac surgical patienta 0.78 (0.66–0.92) <0.01
Cardiac surgical patienta 0.14 (0.11–0.18) <0.001
ICU-acquired urinary tract infection 1.02 (0.76–1.37) 0.9
  1. aCompared with a reference group of medical patients.
  2. APACHE II, Acute Physiology and Chronic Health Evaluation II; CI, confidence interval; ICU, intensive care unit.