| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 347 |
35.2%
|
| 2 | Mild | 291 |
29.5%
|
| 3 | Moderate | 204 |
20.7%
|
| 4 | Severe | 120 |
12.2%
|
| 5 | Extreme | 25 |
2.5%
|
| Sysmiss | 2951 |