Table 2 Univariate and multivariable analyses with 90-day mortality as the dependent variable

Age, years

1.02 [0.98–1.03]

0.85

BMI, kg/m²

1.09 [0.99–1.20]

0.73

SAPS II

1.02 [1.00–1.05]

0.05

1.01 [0.99–1.04]

0.39

Transfused, n (%)

0.93 [0.49–1.74]

0.83

“Appropriate” group

0.39 [0.21–0.75]

0.004

0.48 [0.25–0.92]

0.03

SOFA score

1.07 [0.95–1.22]

0.26

 Heart disease, n (%)

1.17 [0.56–2.42]

0.57

 Hypertension, n (%)

1.18 [0.55–2.55]

0.67

 Diabetes, n (%)

1.74 [0.81–3.75]

0.16

 COPD/asthma, n (%)

0.61 [0.23–1.65]

0.33

 History of smoking, n (%)

1.02 [0.57–2.52]

0.98

 Chronic renal disease, n (%)

1.10 [0.49–2.44]

0.81

 Hemoglobin, g/dL

1.16 [0.74–1.81]

0.51

 Platelets, 10³/μL

0.99 [0.99–1.01]

0.20

 INR

1.57 [0.42–5.79]

0.49

 RDW, %

1.12 [1.01–1.25]

0.04

1.11 [0.99–1.24]

 Creatinine, mg/dL

1.03 [0.92–1.29]

0.68

 Bilirubin, mg/dL

1.35 [0.84–2.18]

0.21

 Lactate, mmol/L

1.36 [1.04–1.78]

0.02

1.22 [0.95–1.59]

0.12

 PaO₂/F_iO₂ ratio

0.99 [0.99–1.13]

0.62