| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 446 |
20%
|
| 2 | Mild | 476 |
21.3%
|
| 3 | Moderate | 726 |
32.5%
|
| 4 | Severe | 443 |
19.9%
|
| 5 | Extreme | 140 |
6.3%
|
| Sysmiss | 2186 |