Table 1 Laboratory data upon admission
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 |