| Reasons for admission | N = 33 | % |
| Oligo-anuria | 23 | 69.69 |
| Digestive disorders | 23 | 69.69 |
| Dyspnea | 23 | 69.69 |
| Physical asthenia | 20 | 60.61 |
| Dizziness | 19 | 57.57 |
| Nocturia | 15 | 45.45 |
| Polyuria | 10 | 30.30 |
| Coma | 10 | 30.30 |
| Weightloss | 4 | 12.12 |