| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 4 |
0.4%
|
| 2 | Mild | 12 |
1.2%
|
| 3 | Moderate | 41 |
4.2%
|
| 4 | Severe | 467 |
47.6%
|
| 5 | Extreme | 457 |
46.6%
|
| Sysmiss | 2957 |