| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 13 |
1.4%
|
| 2 | Mild | 49 |
5.2%
|
| 3 | Moderate | 195 |
20.8%
|
| 4 | Severe | 439 |
46.9%
|
| 5 | Extreme | 241 |
25.7%
|
| Sysmiss | 3001 |