| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2371 |
53.8%
|
| 2 | Mild | 942 |
21.4%
|
| 3 | Moderate | 709 |
16.1%
|
| 4 | Severe | 340 |
7.7%
|
| 5 | Extreme | 45 |
1%
|
| Sysmiss | 10 |