| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 67 |
6.1%
|
| 2 | Mild | 165 |
14.9%
|
| 3 | Moderate | 328 |
29.7%
|
| 4 | Severe | 419 |
37.9%
|
| 5 | Extreme | 127 |
11.5%
|
| Sysmiss | 3311 |