| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 75 |
6.8%
|
| 2 | Mild | 161 |
14.6%
|
| 3 | Moderate | 415 |
37.6%
|
| 4 | Severe | 374 |
33.9%
|
| 5 | Extreme | 78 |
7.1%
|
| Sysmiss | 3314 |