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Table 6 Predictors for 30-day hospital mortality in the derivation dataset and for 30-day ICU mortality in the whole dataset

From: Risk factors for and prediction of mortality in critically ill medical–surgical patients receiving heparin thromboprophylaxis

Predictors Hospital mortality (n = 1891)a ICU mortality (n = 3746)b
HR (95 % CI) p value HR (95 % CI) p value
BMI 0.97 (0.95–0.99) <0.001 0.97 (0.96–0.99) <0.001
Medical admission 1.86 (1.38–2.51) <0.001 1.41 (1.12–1.78) 0.003
Inotropes or vasopressors 1.45 (1.16–1.82) 0.001 c c
Acetylsalicylic acid or clopidogrel 1.22 (1.02–1.46) 0.037 c c
APACHE II score 1.03 (1.01–1.04) <0.001 1.04 (1.03–1.05) <0.001
Invasive mechanical ventilation d d 0.77 (0.59–0.99) 0.042
  1. aThere were 332 deaths for 30-day hospital mortality in derivation cohort
  2. bThere were 522 deaths for 30-day ICU mortality in the whole cohort
  3. cNot included in the model for ICU mortality
  4. dNot included in the model for hospital mortality