Table 2.
Laboratory characteristics of the study groups.
| Parameters | Normal range (units) | Total (n = 555) | Mild - moderate (n = 459) | Severe/critical (n = 96) | p-value | ||
|---|---|---|---|---|---|---|---|
| WBC count (median, IQR) | 4.0–12.0 (x103/μL) | 8.2 (6.1–11.1) | 8.1 (6.2–10.9) | 8.8 (5.8–11.8) | 0.67 | ||
| Neutrophil count | 3.0–5.8 (x103/μL) | 3.2 (1.8–5.4) | 3.0 (1.8–5.0) | 3.9 (2.1–7.4) | 0.004 | ||
| Lymphocyte count | 1.5–3.0 (x103/μL) | 3.3 (2.0–4.8) | 3.4 (2,1–4.8) | 2.8 (1.8–4.6) | 0.05 | ||
| Platelet count (median, IQR) | 150–400 (x103/μL) | 280 (215–353) | 287 (220–355) | 248 (193–332) | 0.05 | ||
| CRP (median, IQR) | <5 (mg/L) | 3.3 (0.7–14.2) | 2.6 (0.7–10.6) | 8.6 (1–56.8) | <0.001 | ||
| CRP > 20 mg/L (n, %) | 100 (18.0) | 61 (13.3) | 39 (40.6) | < 0.001 | |||
| Ferritin (median, IQR) | 6–60 (μg/L) | 251.7 (84.3–542) | 166.8 (67.6–443) | 488.6 (271.5–783.4) | <0.001 | ||
| Elevated ferritin (n, %) | 400 (72.1) | 311 (67.8) | 89 (92.7) | < 0.001 | |||
| E gene Ct value (mean ± variance) | 22.6 ± 7.1 | 22.2 ± 7.1 | 24.5 ± 6.9 | 0.01 | |||
| Total (n = 146) | Moderate (n = 50) | Severe/critical (n = 96) | |||||
| AST (median, IQR) | 15–60 (U/L) | 55.5 (43.5–89.7) | 45.7 (38–60.3) | 60.5 (48–103.7) | 0.001 | ||
| ALT (median, IQR) | 13–45 (U/L) | 31.7 (22.4–51.4) | 28.3 (21–38.1) | 37 (22.7–69.8) | 0.02 | ||
| Creatinine (median, IQR) | 35.0–62.0 (μmol/L) | 42.7 (35.1–51.9) | 36.6 (32–42.2) | 46.0 (38.6–53.8) | <0.001 | ||
| PT (median, IQR) | 13.1–16.3 (s) | 13.6 (12.4–15.2) | 13.2 (12.3–14.4) | 13.8 (12.6–15.6) | 0.07 | ||
| PT > 18s (n, %) | 17 (11.6) | 4 (8) | 13 (13.5) | 0.42 | |||
| aPTT (median, IQR) | 28.6–35.8 (s) | 34.1 (30.7–39.4) | 35.5 (31.3–39.5) | 33.2 (30.5–38.7) | 0.58 | ||
| aPTT > 44s (n, %) | 17 (11.6) | 5 (10) | 12 (12.5) | 0.66 | |||
| Fibrinogen (median, IQR) | 2.03–3.77 (g/L) | 3.1 (2.4–4.3) | 3.7 (2.9–4.5) | 2.9 (2.3–4.0) | 0.009 | ||
| D-dimer (median, IQR) | 0.09–0.53 (μg/mL) | 0.9 (0.63–1.78) | 0.72 (0.56–1.12) | 1.14 (0.67–2.17) | 0.02 | ||
| D-dimer > 5ULN (n, %) | 27 (18.5) | 6 (12) | 21 (21.9) | 0.15 | |||
WBC: white blood cell, CRP: C-reactive protein, Ct: Cycle threshold.
AST: aspartate aminotransferase; ALT: alanine aminotransferase; PT: prothrombin time; aPTT: activated partial thromboplastin time.