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Table 2 Multivariable logistic regression modeling of risk factors for inhospital death among patients admitted to intensive care units in the Calgary Health Region, Alberta, Canada

From: Population-based epidemiology of intensive care: critical importance of ascertainment of residency status

Variable

Odds ratio

95% Confidence intervala

APACHE II score = 25

3.06

2.68–3.50

TISS score = 45

2.02

1.75–2.34

Age = 65 years

1.95

1.73–2.20

Hypothermia < 35°C

1.99

1.71–2.32

Shock

1.66

1.46–1.88

Calgary Health Region resident

1.36

1.20–1.55

Noncardiac surgeryb

0.57

0.50–0.64

Cardiac surgeryb

0.02

0.02–0.03

  1. APACHE, Acute Physiology and Chronic Health Evaluation; TISS, Therapeutic Intervention Scoring System.
  2. aP < 0.0001 for all variables.
  3. bAs compared with medical diagnosis as the reference group.