| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 5 |
0.4%
|
| 2 | Mild | 9 |
0.8%
|
| 3 | Moderate | 49 |
4.4%
|
| 4 | Severe | 435 |
38.7%
|
| 5 | Extreme | 627 |
55.7%
|
| Sysmiss | 3292 |