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 |