| CREAT IN µmol/L | Number | Percentage |
| From 20 to 40 | 8 | 19.51 |
| From 40 to 60 | 5 | 12.20 |
| From 60 to 80 | 17 | 41.46 |
| From 80 to 100 | 8 | 19.51 |
| More than 100 | 3 | 7.32 |
| TOTAL | 41 | 100 |