| N˚ | Values | Patients | Percentage |
| 1 | Normal (<7%) | 48 | 21.81 |
| 2 | Unbalanced (7% - 9%) | 148 | 67.27 |
| 3 | Very Unbalanced (>9%) | 24 | 10.90 |
| Total | 220 | 100 | |