| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 19 |
1.9%
|
| 2 | Mild | 55 |
5.5%
|
| 3 | Moderate | 46 |
4.6%
|
| 4 | Severe | 354 |
35.4%
|
| 5 | Extreme | 526 |
52.6%
|
| Sysmiss | 2938 |