| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 8 |
0.8%
|
| 2 | Mild | 10 |
1%
|
| 3 | Moderate | 58 |
5.8%
|
| 4 | Severe | 468 |
46.7%
|
| 5 | Extreme | 458 |
45.7%
|
| Sysmiss | 2936 |