| Complete blood count |
| WBC | 8900/μL |
| Hb | 9.3 g/dL |
| Platelet | 30.9 × 104/μL |
| Blood chemistry |
| Total protein | 6.2 g/dL |
| Albumin | 2.3 g/dL |
| Urea nitrogen | 115.4 mg/dL |
| Creatinine | 14.13 mg/dL |
| Aspartate aminotransferase | 9 IU/L |
| Alanine aminotransferase | 4 IU/L |
| Total bilirubin | 0.2 mg/dL |
| Alkaline phosphatase | 375 IU/L |
| γ-glutamyltransferase | 23 IU/L |
| Lactate dehydrogenase | 160 IU/L |
| Na | 137 mEq/L |
| K | 4.3 mEq/L |
| Cl | 104 mEq/L |
| NT-proBNP | 40,998 pg/mL |
| Estimated GFR | 2.2 mL/min/1.73m2 |
| Immunologic test |
| IgG | 1760 mg/dL |
| IgA | 235 mg/dL |
| IgM | 71 mg/dL |
| CH50 | 60 U/mL |
| C3 | 82 mg/dL |
| C4 | 33 mg/dL |
| C-reactive protein | 7.11 mg/dL |
| Antinuclear antibody | × 80 |
| Anti-DNA antibody | 1.8 IU/mL (< 9.0) |
| MPO-ANCA | 1.0 U/mL (< 3.4) |
| PR3-ANCA | 1.0 U/mL (< 3.4) |
| Anti-GBM antibody | 350.0 U/mL ≦ (< 3) |
| Cryoglobulin | Positive |
| HBs antigen | Negative |
| HCV antibody | Negative |
- GFR glomerular filtration rate, MPO-ANCA myeloperoxidase-anti-neutrophil cytoplasmic antibody, PR3-ANCA proteinase 3-anti-neutrophil cytoplasmic antibody, GBM glomerular basement membrane, HBs hepatitis B surface antigen, HCV hepatitis C virus. The values in the parentheses show the normal range
