| Effective | % | |
| GFR ≥ 90 | 5 | 18.5 |
| 90 > GFR ≥ 60 | 5 | 18.5 |
| 60 > GFR ≥ 30 | 5 | 18.5 |
| 30 > GFR ≥ 15 | 5 | 18.5 |
| GFR < 15 (waiting for dialysis) | 2 | 7.4 |
| GFR < 15 (dialysis) | 5 | 18.5 |
| Total | 27 | 100 |