Table 1.
Clinical characteristics of patients with membranous-like glomerulopathy with masked IgG κ deposits
| Characteristic | Value |
|---|---|
| Mean age, yr (range) | 27.5 (10−73) |
| ≤40, n (%) | 36 (88%) |
| 40−55, n (%) | 3 (7%) |
| >55, n (%) | 2 (5%) |
| Female/male, n (%) | 32 (78%)/9 (22%) |
| Race/ethnicity | |
| White, n (%) | 26 (63%) |
| Hispanic, n (%) | 9 (22%) |
| African American, n (%) | 3 (7%) |
| Other, n (%) | 3 (7%) |
| Mean serum Cr at biopsy, mg/dl (range) | 1.4 (0.5−6.4) |
| Elevated serum Cr at presentation, n (%) | 12 (29%) |
| Mean quantitative urine protein, g/24 h (range) | 3.5 (0.5−12.8) |
| Proteinuria < 1 g/24 h, n (%) | 4/40 (10%) |
| Proteinuria 1−3.5 g/24 h, n (%) | 22/40 (55%) |
| Proteinuria > 3.5 g/24 h, n (%) | 14/40 (35%) |
| Hematuria, n (%) | 35/40 (88%) |
| Positive autoimmune serologic test, n (%) | 22/40 (55%) |
| Positive ANA, n (%) | 20/38 (53%) |
| Positive dsDNA, n (%) | 9/39 (23%) |
| Positive ANA and dsDNA, n (%) | 8/40 (20%) |
| Normal C3 and C4, n (%) | 33/38 (87%) |
| Fulfills diagnostic criteria for SLE, n (%) | 1/41 (2%) |
ANA, antinuclear antibody; SLE, systemic lupus erythematosus.