Table 3.
Pathological characteristics of the study population.
| All | Seropositive HBV-MN | Seronegative HBV-MN | p | |
|---|---|---|---|---|
| Membranous nephropathy, n(%) | 420(100) | 230 | 190 | |
| Simple | 392(93.3) | 215(93.5) | 177(93.2) | .90 |
| Complicated | 28(6.7) | 15(6.5) | 13(6.8) | |
| ischemic nephropathy | 13(3.1) | 8(3.5) | 5(2.6) | |
| tubulointerstitial lesion | 9(2.1) | 6(2.6) | 3(1.6) | |
| IgA nephropathy | 3(0.7) | 1(0.4) | 2(1.1) | |
| obesity-related glomerulopathy | 2(0.5) | 0 | 2(1.1) | |
| diabetic nephropathy | 1(0.2) | 0 | 1(0.5) | |
| Immune fluorescence distribution of IgG subtypes, n(%) | 348(100) | 197 | 151 | |
| IgG1(+) | 1(0.3) | 1 | 0 | .97 |
| IgG2 or IgG3(+) | 0(0) | 0 | 0 | |
| IgG4(+) | 7(2.0) | 5 | 2 | |
| IgG1, IgG4(+) | 34(9.8) | 20 | 14 | |
| IgG1, IgG2, IgG4(+) | 173(49.7) | 99 | 74 | |
| IgG1, IgG3, IgG4(+) | 37(10.6) | 19 | 18 | |
| IgG1, IgG2, IgG3, IgG4(+) | 89(25.6) | 49 | 40 | |
| Others | 7(2.0) | 4 | 3 |
Notes: MN, membranous nephropathy; HBV, hepatitis B virus.