| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 88 |
8.8%
|
| 2 | Mild | 382 |
38.3%
|
| 3 | Moderate | 430 |
43.1%
|
| 4 | Severe | 84 |
8.4%
|
| 5 | Extreme | 13 |
1.3%
|
| Sysmiss | 2941 |