| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 252 |
25.1%
|
| 2 | Mild | 289 |
28.8%
|
| 3 | Moderate | 287 |
28.6%
|
| 4 | Severe | 107 |
10.7%
|
| 5 | Extreme | 67 |
6.7%
|
| Sysmiss | 2936 |