Table 3.
Association of socio-demographic and biochemical parameters with mortality status among patients admitted to the COVID-19 ICU
| Characteristic | Unadjusted RR(95% CI) | P-value | Adjusted RR(95% CI) | P-value |
|---|---|---|---|---|
| Age | 1.00 (0.99–1.03) | 0.308 | ||
| Sex: Male | 1.19 (0.86–1.64) | 0.298 | ||
| Duration of ICU stay | 0.99 (0.97–1.01) | 0.424 | ||
| Hypertension | 1.06 (0.75–1.48) | 0.753 | ||
| Asthma | 0.73 (0.18–2.99) | 0.665 | ||
| Diabetes mellitus | 0.92 (0.66–1.28) | 0.608 | ||
| Hyperlipidaemia | 1.20 (0.75–1.93) | 0.452 | ||
| Na+ | 1.01 (0.97–1.04) | 0.722 | ||
| K+ | 1.10 (0.90–1.35) | 0.370 | ||
| Urea | 1.03 (1.01–1.06) | 0.020 | 0.86 (0.74–1.01) | 0.073 |
| Creatinine | 1.01 (1.01–1.07) | 0.003 | 0.99 (0.98–1.01) | 0.530 |
| eGFR | 0.99 (0.98–0.99) | 0.005 | 0.99 (0.97–1.01) | 0.453 |
| HbA1c | 0.95 (0.87–1.03) | 0.206 | ||
| Ca2+ | 0.95 (0.27–3.39) | 0.941 | ||
| Mg2+ | 1.02 (0.44–2.39) | 0.956 | ||
| Phosphate | 1.13 (0.95–1.35) | 0.172 | ||
| TBil | 1.01 (1.00–1.03) | 0.667 | ||
| ALT | 1.00 (0.99–1.00) | 0.631 | ||
| LDH | 1.01 (1.01–1.04) | 0.001 | 1.002 (1.0004–1.004) | 0.016 |
| TnT | 1.02 (1.01–1.03) | 0.012 | 0.99 (0.98–1.004) | 0.199 |
| NT-proBNP | 1.01 (1.01–1.03) | 0.001 | 1.0004 (1.0001–1.0007) | 0.014 |
| CRP | 1.02 (1.03–1.04) | 0.021 | 1.001 (0.999–1.003) | 0.251 |
| PCT | 1.21 (1.10–1.35) | <0.001 | 1.14 (0.96–1.36) | 0.135 |
| Ferritin | 1.00 (0.99–1.00) | 0.893 |
ICU, intensive care unit; RR, relative risk; CI, confidence interval; Na+, sodium; K+, potassium; eGFR, estimated glomerular filtration rate; HbA1c, haemoglobin A1c; Ca2+, calcium; Mg2+, magnesium; TBil, total bilirubin; ALT, alanine aminotransferase; LDH, lactate dehydrogenase; TnT, troponin T; NT-proBNP, N-terminal B-type natriuretic peptide; CRP, C-reactive protein; PCT, procalcitonin.