| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 66 |
5.9%
|
| 2 | Mild | 377 |
33.5%
|
| 3 | Moderate | 527 |
46.9%
|
| 4 | Severe | 122 |
10.9%
|
| 5 | Extreme | 32 |
2.8%
|
| Sysmiss | 3293 |