Table 6.
Incidence of different types of secondary glomerulonephritis
|
Iasi, Romania |
IRRB[6]N = 2348 | CRRB[17]N = 990 | SRRB[7], N = 373; <60 years (%) | SRRB[7], N = 29; ≥60 years (%) | SRRB[7], N = 402; all ages (p.m.p/year) | |||
|---|---|---|---|---|---|---|---|---|
| Period 1 N = 98 | Period 2 N = 82 | Overall N = 180 | ||||||
|
Immune-mediated GN |
60.2 (1.24) |
56 (1.61) |
58.3 (1.38) |
57.6 (4.68) |
48.6 (6.67) |
90.1 |
N/A |
2.33 |
| Necrotizing vasculitides |
27.5 (0.53) |
21.9 (0.56) |
25 (0.54) |
15.6 (2.14) |
13.7 |
31.0 |
0.40 |
|
| Lupus nephritis |
25.5 (0.48) |
28 (0.56) |
26.6 (0.51) |
23 (3.16) |
75.6 |
17.2 |
1.91 |
|
| Others (Goodpasture’s syndrome, rheumatoid arthritis, etc.) |
7.1 (0.15) |
6.1 (0.17) |
6.6 (0.16) |
6.9 (0.94) |
0.8 |
N/A |
0.02 |
|
|
Dysgammaglobulinemia-associated GN |
12.2 (0.25) |
15.8 (0.46) |
13.8 (0.33) |
15.9 (1.31) |
14.9 (2.05) |
7.2 |
41.4 |
0.26 |
| Renal amyloidosis |
10.2 (0.21) |
9.7 (0.29) |
10 (0.24) |
9.9 (1.35) |
6.4 |
31.0 |
0.22 |
|
| Cryoglobulinemia |
2 (0.04) |
6 (0.17) |
3.8 (0.09) |
5 (0.14) |
0.8 |
10.4 |
0.04 |
|
|
Infectious diseases associated GN |
25.5 (0.53) |
21.9 (0.63) |
23.8 (0.57) |
3 (0.23) |
N/A |
N/A |
N/A |
N/A |
| Others (metabolic, hereditary, etc.) | 2.9 (0.04) | 6 (0.17) | 3.8 (0.09) | 23.5 (1.16) | 36.5 (5.01) | N/A | N/A | N/A |
Data are expressed in percentage and as renal biopsies /per million population (p.m.p.)/year.
IRRB - Italian Registry of Renal Biopsies; CRRB - Czech Registry of Renal Biopsies; SRRB - Serbian Registry of Renal Biopsies.