| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 27 |
1.4%
|
| 2 | Mild | 69 |
3.5%
|
| 3 | Moderate | 302 |
15.4%
|
| 4 | Severe | 1126 |
57.5%
|
| 5 | Extreme | 435 |
22.2%
|
| Sysmiss | 1979 |