| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 11 |
1%
|
| 2 | Mild | 8 |
0.7%
|
| 3 | Moderate | 34 |
3%
|
| 4 | Severe | 256 |
22.8%
|
| 5 | Extreme | 816 |
72.5%
|
| Sysmiss | 3292 |