| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 14 |
1.4%
|
| 2 | Mild | 56 |
5.6%
|
| 3 | Moderate | 173 |
17.2%
|
| 4 | Severe | 432 |
43.1%
|
| 5 | Extreme | 328 |
32.7%
|
| Sysmiss | 2935 |