| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 63 |
5.7%
|
| 2 | Mild | 20 |
1.8%
|
| 3 | Moderate | 63 |
5.7%
|
| 4 | Severe | 445 |
40.3%
|
| 5 | Extreme | 512 |
46.4%
|
| Sysmiss | 3314 |