| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 104 |
5.3%
|
| 2 | Mild | 199 |
10.2%
|
| 3 | Moderate | 477 |
24.4%
|
| 4 | Severe | 759 |
38.8%
|
| 5 | Extreme | 417 |
21.3%
|
| Sysmiss | 1982 |