Table 1.
Results of immunologic studies and serum creatinine levels.
 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Normal Ranges | ||||||||||||||||
| IgM (mg/dL) | 719 | >4,000 | 326 | 445 | 228 | 220 | 218 | 44–266 mg/dL | ||||||||
| IgA (mg/dL) | <10 | <40 | 63 | <10 | <10 | 43–253 mg/dL | ||||||||||
| C3 (mg/dL) | 49 | 77 | 93 | 110 | 154 | 170 | 166 | 138 | 70–206 mg/dL | |||||||
| C4 (mg/dL) | <8 | 21.2 | 30.6 | 31.9 | 37.7 | 33.8 | 11–61 mg/dL | |||||||||
| Cr (mg/dL) | 0.5 | 1.2 | 1.7 | 1.2 | 2.2 | 0.6 | 0.5 | 3.0 | 0.9 | 0.3–1 mg/dL | ||||||
| ESR | 99 | 28 | 0–20 mm/h | |||||||||||||
| PLT | 261 | 86 | 70 | 103 | 150–500 K/uL | |||||||||||
(*) rituximab 270 mg, (+) mycophenolate mofetil 300 mg twice daily, (I) high-dose methylprednisone, (
) IV methylprednisone, (
) oral prednisone.