| Number | Percentage (%) |
Etiological diagnosis | ||
Vascular nephropathy | 106 | 53.8 |
Interstitial nephropathy | 44 | 22.3 |
Glomerular nephropathy | 33 | 16.8 |
Diabetic nephropathy | 12 | 6.1 |
Polycystic kidney disease | 2 | 1 |
Total | 197 | 100 |
Stage of chronic renal failure | ||
Stage 2 | 2 | 1 |
Stage 3 | 13 | 6.6 |
Stage 4 | 11 | 5.6 |
Stage 5 | 171 | 86.8 |
Total | 197 | 100 |