Table 2.
Univariate and multivariable analyses with 90-day mortality as the dependent variable
| Variables | Unadjusted odds ratio | p value | Adjusted odds ratio | p value |
|---|---|---|---|---|
| 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 | ||
| Comorbidity | ||||
| 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 | ||
| Laboratory values on inclusion | ||||
| 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] | 0.07 |
| 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/FiO2 ratio | 0.99 [0.99–1.13] | 0.62 | ||
BMI body mass index, SAPS Simplified Acute Physiology Score, COPD chronic obstructive pulmonary disease, RDW red blood cell distribution width, INR international normalized ratio, PaO2 partial pressure of oxygen, FiO2 fraction of inspired oxygen