| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 61 |
2.7%
|
| 2 | Mild | 150 |
6.7%
|
| 3 | Moderate | 360 |
16.2%
|
| 4 | Severe | 852 |
38.2%
|
| 5 | Extreme | 806 |
36.2%
|
| Sysmiss | 2188 |