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

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 patient^a

0.78 (0.66–0.92)

<0.01

Cardiac surgical patient^a

0.14 (0.11–0.18)

<0.001

ICU-acquired urinary tract infection

1.02 (0.76–1.37)

0.9

^aCompared with a reference group of medical patients.

APACHE II, Acute Physiology and Chronic Health Evaluation II; CI, confidence interval; ICU, intensive care unit.

Laupland et al. Critical Care 2005 9:R60   doi:10.1186/cc3023