Table 4. Univariate logistic regression to identify risk factors at admission related to mortality.
| Univariate logistic regression | P | |
|---|---|---|
| Unadjusted OR (95% CI) | ||
| Age, years | 1.009(0.958–1.063) | 0.729 |
| Gender, male | 3.184(0.818–12.395) | 0.095 |
| Age (years) × gender (male) | 1.016(0.997–1.037) | 0.105 |
| BMI | 1.289(1.003–1.658) | 0.047 |
| Any comorbidity | 2.431(0.697–8.478) | 0.164 |
| Hemoglobin, g/L | 1.039(1.005–1.075) | 0.025 |
| Platelets, ×109/L | 0.986(0.975–0.996) | 0.008 |
| Neutrophil count > 6.3 ×109/L | 29.500(5.835–149.144) | <0.001 |
| Lymphocyte count < 1.1 ×109/L | 4.390(0.914–21.087) | 0.065 |
| CD3+ count, /ul | 0.997(0.994–0.999) | 0.015 |
| CD4+ count, /ul | 0.993(0.988–0.998) | 0.004 |
| CRP > 60 mg/L | 8.730(2.208–34.514) | 0.002 |
| PaO2/FiO2 | 0.983(0.971–0.994) | 0.004 |
| Lactate, mmol/L | 2.038(1.216–3.416) | 0.007 |
BMI- body mass index; CI- confidence interval; CRP- C-reactive protein; FiO2- Fraction of inspiration O2; PaO2- partial pressure of oxygen; OR- odds ratio.