| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 83 |
7.5%
|
| 2 | Mild | 556 |
50.5%
|
| 3 | Moderate | 338 |
30.7%
|
| 4 | Severe | 82 |
7.4%
|
| 5 | Extreme | 42 |
3.8%
|
| Sysmiss | 3316 |