Table 1.
Laboratory data on admission (italic indicates abnormal values).
| Complete blood count | Biochemistry | Immune serum |
|---|---|---|
| White blood cell 13.7×103/µL | BUN 14.3 mg/dL | Rheumatoid factor 5 IU/mL |
| Neutrophil 87.3% | Creatinine 0.57 mg/dL | ANA <40 fold |
| Lymphocyte 9.7% | T-Bil 0.7 mg/dL | MPO-ANCA <1.0 U/mL |
| Red blood cell 393×104/µL | AST 434 U/L | PR3-ANCA <1.0 U/mL |
| Hemoglobin 12.2 g/dL | ALT 96 U/L | HBs-Ag 0.0 IU/mL |
| Hematocrit 34.5% | LDH 952 U/L | HCV-Ab 0.0 C.O.I |
| Platelet 2.1×104/µL | ALP 308 U/L | Tuberculosis IFN-γ (−) |
| Congealing system | CK 144 U/L | Viral antibodies* (−) |
| PT-INR 1.13 | Sodium 129 mEq/L | Bacteriological examination |
| APTT 71.1 second | Potassium 2.7 mEq/L | Blood culture (−) |
| Fibrinogen 120 mg/dL | Chlorine 98 mEq/L | Urinalysis (Qualitative) |
| FDP 46.6 µg/mL | Calcium 7.1 mEq/L | pH 6.5 |
| D-dimer 21.1 µg/mL | Glucose 100 mg/dL | Specific gravity 1.041 |
| Biochemistry | CRP 10.4 mg/dL | Protein (1+) |
| Total protein 5.4 g/dL | Ferritin 78 662 ng/mL | Occult blood (2+) |
| Albumin 2.5 g/dL | sIL-2R 4 140 IU/mL | White blood cell (−) |
PT-INR – prothrombin time-international normalized ratio; APTT – activated partial thromboplastin time; FDP – fibrin/fibrinogen degradation products; BUN – blood urea nitrogen; T-Bil – total bilirubin; AST – aspartate aminotransferase; ALT – alanine aminotransferase; LDH – lactate dehydrogenase; CK – creatine kinase; CRP – C-reactive protein; sIL-2R – soluble interleukin-2 receptor; ANA – antinuclear antibody; MPO-ANCA – myeloperoxidase-anti-neutrophil cytoplasmic antibody; PR3-ANCA – proteinase 3-anti-neutrophil cytoplasmic antibody; HBs-Ag – hepatitis B surface antigen; HCV-Ab – anti-hepatitis C virus antibody; tuberculosis IFN-γ – tuberculosis interferon-gamma release assays.
Viral antibodies including cytomegalovirus, Epstein-Barr virus, and human T cell leukemia virus type 1 were negative.