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Table 1 Mortality risk factors in the medical ICU, multivariate analysis

From: Hyperoxia effects on intensive care unit mortality: a retrospective pragmatic cohort study

Mortality risk factor

Deceased (n = 35)

Alive (n = 95)

Odds ratio (95% CI)

p

Age (years)

70 (66–75)

65 (61–69)

 

0.15

SAPS II

64 (56–72)

41 (37–45)

 

< 0.001

Mechanical ventilation time

9 (7–12)

5 (3–7)

 

0.074

At least one PaO2 > 100 mmHg (13.3 kPa)

31 (89%)

49 (52%)

3.80 (1.08–16.01)

0.047

  1. Data presented as mean (95CI) or n (%)
  2. R2 = 0.453
  3. CI confidence interval, ICU intensive care unit, PaO2 partial arterial pressure in oxygen, SAPS II Simplified Acute Physiology Score II