Univariate analysis of mortality risk factors for patients with COVID-19 pneumonia in matched case–control study
| Variables | Deceased | Survivors | OR (95% CI) | p-value |
| Patients n | 21 | 42 | ||
| CD3+CD8+ T-cells ≤75 cells·μL−1 | 78.9 | 42.9 | 5.000 (1.319–18.960) | 0.018 |
| Cardiac troponin I ≥0.05 ng·mL−1 | 61.5 | 18.2 | 7.200 (1.518–34.139) | 0.013 |
| Myoglobin >100 ng·mL−1 | 60.0 | 28.6 | 3.750 (0.924–15.226) | 0.064 |
| Procalcitonin ≥0.5 ng·mL−1 | 21.1 | 9.1 | 2.667 (0.528–13.477) | 0.235 |
| Creatinine ≥133 μmol·L−1 | 19.0 | 4.8 | 4.706 (0.786–28.178) | 0.090 |
Data are presented as %, unless otherwise stated.