| CKD stages | n | % |
| Stage 1 | 1 | 1.1 |
| Stage 2 | 4 | 4.4 |
| Stage 3a | 16 | 17.58 |
| Stage 3b | 49 | 53.85 |
| Stage 4 | 17 | 18.68 |
| Stage 5 | 4 | 4.4 |
| Total | 91 | 100 |