| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 434 |
39.3%
|
| 2 | Mild | 328 |
29.7%
|
| 3 | Moderate | 234 |
21.2%
|
| 4 | Severe | 93 |
8.4%
|
| 5 | Extreme | 15 |
1.4%
|
| Sysmiss | 3313 |