Table 2.
Laboratory investigation results
| Investigation | Reference range | Median (IQR) | No. positive/No. tested | Percentage |
|---|---|---|---|---|
| Enzymes | ||||
| CK | 26–145 U/L | 1074.0 (222.8–3397.5) | 22/24 | 91.7 |
| Aldolase | 3.0–12.0U/L | 12.6 (7.7–15.9) | 3/5 | 60 |
| LDH | 142–261U/L | 445.0 (277.0–493.5) | 14/19 | 73.7 |
| AST | 0–41 U/L | 74.0 (35.25–140.5) | 16/22 | 72.7 |
| ALT | 5–25 U/L | 48.0 (26.5–82.0) | 18/23 | 78.3 |
| Autoantibody | ||||
| Anti-Jo1 | <7 EliA U/ml | 0.3 (0.3–0.45) | 0/6 | 0 |
| Anti-RNP | <7 EliA U/ml | 0.3 (0.3–0.5) | 0/9 | 0 |
| Inflammatory markers | ||||
| ESR | 20 (12–35) | 11/19 | 57.9 | |
| CRP | 2.6 (<1–6) | 2/10 | 20 | |
| vWF activity | 77 (62–112 %) | 2/4 | 50 | |