| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 397 |
40.3%
|
| 2 | Mild | 384 |
38.9%
|
| 3 | Moderate | 158 |
16%
|
| 4 | Severe | 37 |
3.8%
|
| 5 | Extreme | 10 |
1%
|
| Sysmiss | 2952 |