| First hypothesis diagnosis | Number | Percentage |
| Glomerular nephropathy | 162 | 25.2 |
| Vascular nephropathy | 152 | 23.6 |
| Acute renal failure | 104 | 16.2 |
| Obstructive uropathy | 89 | 13.9 |
| Diabetic nephropathy | 59 | 09.2 |
| Chronic renal failure | 12 | 1.9 |
| Interstitial nephropathy | 12 | 1.9 |
| Cardio-renal syndrome | 10 | 1.6 |
| Sickle cell disease | 07 | 1.1 |
| Polycystic kidney disease | 06 | 0.9 |
| Other* | 30 | 04.7 |
| Total | 643 | 100 |