Table 1.
Laboratory findings on admission.
| Urinalysis | ||
| Protein | 1+ | |
| Occult blood | 1+ | |
| Glucose | − | |
|
| ||
| Urine sediment | ||
| WBC | 1–4 | /HPF |
| RBC | 1–4 | /HPF |
| Granular casts | 1+ | /LPF |
|
| ||
| Complete blood counts | ||
| WBC | 13600 | /mm3 |
| RBC | 355 | ×104/mm3 |
| Hemoglobin | 9.6 | g/dL |
| Hematocrit | 29.9 | % |
| Platelets | 81.9 | ×104/mm3 |
|
| ||
| Biochemistry | ||
| CRP | 3.4 | mg/dL |
| SAA | 32.3 | μg/mL |
| Total protein | 5.8 | g/dL |
| Albumin | 3.2 | g/dL |
| Glucose | 94 | mg/dL |
| Uric acid | 9.6 | mg/dL |
| BUN | 55 | mg/dL |
| Scr | 4.35 | mg/dL |
| eGFR | 8.6 | mL/min/1.73 m2 |
| Sodium | 139 | mEq/L |
| Potassium | 4.8 | mEq/L |
| Chloride | 106 | mEq/L |
| Serum β2-MG | 11.4 | mg/L |
| Urinary β2-MG | 4189 | μg/L |
|
| ||
| Immunology | ||
| RF | 3.4 | IU/mL |
| ANA | − | |
| Anti-CCP Ab | 3.4 | U/mL |
| MMP3 | 322 | ng/mL |
| Complement | 37 | U/mL |
| C3 | 62.4 | mg/dL |
| C4 | 20.6 | mg/dL |
| IgA | 269.2 2 |
mg/dL |
| IgG | 1119.9 | mg/dL |
| IgM | 76.8 | mg/dL |
|
| ||
| Endocrinology | ||
| HbA1c | 6.2 | % |
| BNP | 3002.5 | pg/mL |
RBC: red blood cell; WBC: white blood cell; HPF: high-power field; CRP: C-reactive protein; SAA: serum amyloid A protein; BUN: blood urea nitrogen; Scr: serum creatinine; eGFR: estimated glomerular filtration ratio; β2 MG: β2-microglobulin; HbA1c: haemoglobin A1c; BNP: B-type natriuretic peptide; RF: rheumatoid factor; ANA: antinuclear antibody; anti-CCP Ab: antibodies against cyclic citrullinated peptide; MMP3: matrix metalloproteinase 3; Ig: immunoglobulin.