| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 694 |
31.1%
|
| 2 | Mild | 250 |
11.2%
|
| 3 | Moderate | 365 |
16.4%
|
| 4 | Severe | 666 |
29.9%
|
| 5 | Extreme | 254 |
11.4%
|
| Sysmiss | 2188 |