| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 351 |
37.3%
|
| 2 | Mild | 218 |
23.2%
|
| 3 | Moderate | 187 |
19.9%
|
| 4 | Severe | 155 |
16.5%
|
| 5 | Extreme | 29 |
3.1%
|
| Sysmiss | 2998 |