| N (%) | ||
| Gender | Male | 17 (16) |
| Female | 85 (84) | |
| Age at biopsy (years) | <20 | 4 (4) |
| 20 - 39 | 52 (51) | |
| 40 - 59 | 35 (35) | |
| >59 | 10 (10) | |
| Mean ± SD | 39 ± 15 | |
| Median | 36 (16-82) | |
| Nephropathy (first visit) | No | 0 (0) |
| Yes | 101 (100) | |
| NS | 45 (44) | |
| RPGN | 2 (2) | |
| CGN | 47 (46) | |
| other | 7 (7) | |
| Withdrawal | No | 63 (62) |
| Yes | 38 (38) | |
| death | 6 (6) | |
| transference | 32 (31) | |
| Follow-up years | <6 | 30 (30) |
| 6 - 10 | 26 (26) | |
| 11 - 15 | 16 (16) | |
| 16 - 20 | 26 (26) | |
| >20 | 3 (3) | |
| Mean ± SD | 10 ± 7 | |
| Median | 9 (0 - 28) | |
| WHO classification | I | 1 (1) |
| II | 8 (8) | |
| III | 13 (13) | |
| III + V | 1 (1) | |
| IV | 41 (41) | |
| IV + V | 1 (1) | |
| V | 34 (33) | |
| VI | 1 (1) | |
| unknown | 1 (1) |