| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 288 |
74.2%
|
| 2 | mild | 40 |
10.3%
|
| 3 | moderate | 46 |
11.9%
|
| 4 | severe | 9 |
2.3%
|
| 5 | extreme | 5 |
1.3%
|
| Sysmiss | 4277 |