Laboratory findings of clinical course
| On admission (day 1) | Before intubation (day 3) | Before extubation (day 12) | After improvement of pneumonia (day 18) | When arthritis develops (day 22) | After improvement of arthritis (day 52) | |
|---|---|---|---|---|---|---|
| WBC (cells/mm3, 3300–8600) | 3600 | 2900 | 5400 | 5300 | 9300 | 5200 |
| Neutrophil (%) | 74 | 76.5 | 85 | 70.5 | 71.5 | 68.6 |
| Lymphocyte (%) | 18 | 18.5 | 7.5 | 19 | 15 | 21.8 |
| Eosinophil (%) | 0 | 0 | 0.5 | 1 | 0.5 | 1.1 |
| Monocyte (%) | 8 | 4.5 | 6.5 | 8.5 | 12 | 7.4 |
| Basophil (%) | 0 | 0 | 0 | 0 | 1 | 1.1 |
| Atypical lymphocyte (%) | 0 | 0.5 | 0.5 | 1 | 0 | 0 |
| Haemoglobin (g/L, 137–168) | 161 | 145 | 119 | 124 | 118 | 116 |
| Platelet (×104/μL, 15.8–34.8) | 12.3 | 13.3 | 32.9 | 29.1 | 33.1 | 26.8 |
| BUN (mg/dL, 8.0–20.0) | 17 | 14.7 | 24.1 | 13.3 | 12.7 | 11.8 |
| Creatinine (mg/dL, 0.65–1.07) | 1.85 | 1.22 | 1.79 | 1.42 | 1.38 | 1.26 |
| Uric acid (mg/dL, 3.7–7.8) | 3.8 | 5.1 | 5.2 | 7.2 | ||
| AST (IU/L, 13–30) | 118 | 112 | 112 | 80 | 119 | 19 |
| CK (IU/L, 59–248) | 98 | 184 | 49 | 53 | ||
| LDH (IU/L, 124–222) | 398 | 468 | 316 | 361 | 339 | 166 |
| Bilirubin (mg/dL, 0.4–1.5) | 0.9 | 1.6 | 0.8 | 1.2 | 0.5 | |
| CRP (mg/dL, 0.00–0.14) | 8.31 | 9.45 | 14.15 | 1.62 | 7.4 | 0.88 |
| D-dimer (μg/mL, 0.0–1.0) | 2.2 | 12.8 | 7.2 | 3.6 | 1.9 | |
| Procalcitonin (ng/mL, 0.0–0.50) | 0.27 |
WBC, white blood cell; BUN, blood urea nitrogen; AST, aspartate transaminase; CK, creatine kinase; LDH, lactic dehydrogenase.