Table 2.
Laboratory characteristics of severe COVID-19
| Variables | Mean ± SD, Median (IQR), or N (%) |
|---|---|
| White blood count, × 109/L | 5.8 (4.3–8.5) |
| Neutrophil count, × 109/L | 3.7 (2.4–7.1) |
| Lymphocyte count, × 109/L | 1.1 (0.7–1.6) |
| Platelet count, × 109/L | 211.5 (164.0–301.0) |
| Hemoglobin, g/L | 119.2 ± 20.2 |
| Prothrombin time, s | 13.9 (13.4–14.4) |
| Activated partial thromboplastin time, s | 39.1 (35.7–43.5) |
| Fibrinogen, g/L | 4.76 ± 1.55 |
| D-dimer, mg/L | 1.1 (0.4–3.5) |
| Alanine aminotransferase, U/L | 19.0 (12.0–41.0) |
| Creatinine, μmol/L | 67.0 (57.5–86.5) |
| Procalcitonin, ng/ml | 0.07 (0.03–0.10) |
| Interleukin-6, pg/ml | 7.67 (3.01–23.51) |
| Ferritin, ng/ml | 559.3 (304.7–1214.6) |
| hsCRP, mg/ml | 11.6 (2.6–47.1) |
| Cardiac damage | 25 (25.0) |
| hsTnI, pg/ml | 3.5 (1.9–11.2) |
| Increased (> 34.2) | 9 (9.0) |
| NTproBNP, pg/ml | 133.5 (42.3–369.5) |
| Increased# | 22 (22.0) |
| Influenza A antibody | 5 (5.0) |
COVID-19 = coronavirus disease 2019; hsCRP = hypersensitive C-reactive protein; hsTnI = hypersensitive troponin I; NTproBNP = N-terminal-pro brain natriuretic peptide. #Increased NTproBNP was above 450 pg/ml at the age < 50, above 900 pg/ml at the age < 75, or above 1800 pg/ml at the age ≥ 75