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Table 2 Predictors for 60-day hospital mortality in the derivation dataset and for 60-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

0.92 (0.88–0.97)

0.003

0.98 (0.96–0.99)

<0.001

Medical admission

1.67 (1.29–2.17)

<0.001

1.39 (1.11–1.72)

0.003

Inotropes or vasopressors

1.34 (1.10–1.65)

0.005

c

c

Acetylsalicylic acid or clopidogrel

1.27 (1.02–1.59)

0.035

c

c

APACHE II score

0.97 (0.92–1.02)

0.241

1.04 (1.03–1.05)

<0.001

APACHE II score*BMI

1.002 (1.000–1.004)

0.038

c

c

Invasive mechanical ventilation

d

d

0.75 (0.58–0.97)

0.027

  1. aThere were 390 60-day deaths in hospital in derivation cohort
  2. bThere were 573 60-day deaths in ICU in the whole cohort
  3. cNot included in the model for ICU mortality; no interaction term in the model for ICU mortality
  4. dNot included in the model for hospital mortality