Table 1.
Laboratory data on admission
| CBC | ||
| WBC | 23,600 | /μL |
| Hg | 8.0 | g/dL |
| Plt | 13,300 | /μL |
| Schizocyte | Positive | |
| Blood chemistry | ||
| AST | 51 | IU/L |
| ALT | 34 | IU/L |
| LDH | 970 | IU/L |
| CK | 3,078 | IU/L |
| γ-GTP | 207 | IU/L |
| TP | 5.8 | g/dL |
| Alb | 2.5 | g/dL |
| Cre | 3.8 | mg/dL |
| UA | 16.7 | mg/dL |
| BUN | 122 | mg/dL |
| Na | 132 | mEq/L |
| K | 4.4 | mEq/L |
| Cl | 89 | mEq/L |
| Ca | 8.1 | mg/dL |
| iP | 9.9 | mg/dL |
| CRP | 4.7 | mg/dL |
| Urinalysis | ||
| Protein | (2+) | |
| Sugar | (−) | |
| Occult blood | (3+) | |
| RBC | 5–9 | /HPF |
| Proteinuria | 2.6 | g/day |
| Coagulation test | ||
| PT | 12.6 | s |
| aPTT | 33.9 | s |
| Serological test | ||
| IgG | 718 | mg/dL |
| IgA | 244 | mg/dL |
| IgM | 83 | mg/dL |
| C3 | 105.4 | mg/dL |
| C4 | 30.3 | mg/dL |
| CH50 | >60 | U/mL |
| ANA | ×40 | Speckled |
| Anti-ds-DNA IgG | <10 | IU/mL |
| MPO-ANCA | <10 | EU |
| PR3-ANCA | <10 | EU |
| Anti-Scl-70 antibody | <5 | |
| ADAMTS13 inhibitor | Negative | |
| ADAMTS13 activity | 32.4 | % |
| Lupus anticoagulant | negative | |
| Haptoglobin | <2 | mg/dL |
| Thrombomodulin | 15 (2.1–4.1) | FU/mL |
| Others | ||
| Direct Coombs test | Negative | |
| PRA | 44.6 | ng/mL/hr |
| PAC | 514 | pg/mL |
| BNP | 359.0 | pg/mL |
| Fe | 61 | μg/dL |
| UITC | 135 | μg/dL |
| Ferritin | 1,325.3 | ng/mL |
| Vitamin B12 | 360 | pg/mL |
ANA anti-nuclear antibody, ANCA anti-neutrophil cytoplasmic antibody, MPO myeloperoxidase, PR3 proteinase 3, PRA plasma renin activity, PAC plasma aldosterone concentration, BNP brain natriuretic peptide