| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 32 |
2.9%
|
| 2 | Mild | 16 |
1.5%
|
| 3 | Moderate | 89 |
8.1%
|
| 4 | Severe | 491 |
44.5%
|
| 5 | Extreme | 475 |
43.1%
|
| Sysmiss | 3314 |