| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 66 |
21.6%
|
| 2 | mild | 78 |
25.5%
|
| 3 | moderate | 111 |
36.3%
|
| 4 | severe | 45 |
14.7%
|
| 5 | extreme | 6 |
2%
|
| Sysmiss | 5585 |