Table 1.
Laboratory findings on admission.
| Peripheral blood | |
| Red blood cells | 382 × 106/μL |
| Hemoglobin | 12.0 g/dL |
| Hematocrit | 33.9% |
| White blood cells | 26,000/μL |
| Neutrophil | 90.0% |
| Monocyte | 3.0% |
| Lymphocyte | 5.0% |
| Platelet | 29.3 × 104/μL |
| Blood chemistry | |
| Total protein | 5.7 g/dL |
| Total bilirubin | 1.0 mg/dL |
| AST | 34 IU/L (7−33) |
| ALT | 22 IU/L (5−30) |
| Lactate dehydrogenase | 1095 IU/L (119−229) |
| Alkaline phosphatase | 611 IU/L (80−250) |
| Gamma-glutamyl transpeptidase | 257 IU/L (5−55) |
| Creatinine kinase | 14 IU/L (60−160) |
| Total cholesterol | 186 mg/dL |
| Triglyceride | 225 mg/dL |
| Blood urea nitrogen | 13.6 mg/dL |
| Creatinine | 0.4 mg/dL |
| Alb | 2.1 g/dL |
| Na | 131 mEq/L |
| K | 4.1 mEq/L |
| Cl | 91 mEq/L |
| Serological tests | |
| C-reactive protein | 9.95 mg/dL (<30) |
| Erythrocyte sedimentation rate | 71.0 mm/hr |
| Ferritin | 11740 ng/mL (<170) |
| C3 | 142 mg/dL (86–160) |
| C4 | 26 mg/dL (17–45) |
| ANA | (—) (<40) |
| Anti-CCP Ab | <0.6 U/mL (<4.5) |
| MPO-ANCA | <1.0 U/mL |
| RR3-ANCA | <1.0 U/mL |
| IgG | 1340 mg/dL (900–2000) |
| IgM | 108 mg/dL |
| IgA | 338 mg/dL |
| sIL-2R | 1850 U/mL |
| Coagulation | |
| PT time (INR) | 67.8% (1.19) |
| fibrinogen | 684.2 mg/dL |
| FDP | 13.2 μg/mL |
| Microbiological test | |
| HCV-Ab | (—) |
| HBsAg | (—) |
| CMV antigenemia | (—) |
| EBV-EBNA | ×40 |
| EBV-VCA IgM | <×10 |
| EBV-VCA IgG | ×160 |
| Blood culture | (—) |
| β-D-Glucan | <3.4 pg/mL |
| Urinalysis | Normal |
ANA: anti-nuclear antibody; ANCA: antineutrophil cytoplasmic antibody; CMV: cytomegalovirus; EBV EBNA: Epstein-Barr virus, nuclear antigen; EBV-VCA: Epstein-Barr virus viral-capsid antigen; HBsAg: hepatitis B surface antigen; HCV: hepatitis C virus; MMP-3: matrix metalloproteinase-3; MPO: myeloperoxidase; RF: rheumatoid factor; RR3: proteinase 3.