| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 93 |
4.2%
|
| 2 | Mild | 196 |
8.8%
|
| 3 | Moderate | 554 |
24.8%
|
| 4 | Severe | 930 |
41.6%
|
| 5 | Extreme | 460 |
20.6%
|
| Sysmiss | 2184 |