| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 10 |
0.9%
|
| 2 | Mild | 16 |
1.5%
|
| 3 | Moderate | 78 |
7.3%
|
| 4 | Severe | 400 |
37.6%
|
| 5 | Extreme | 559 |
52.6%
|
| Sysmiss | 3354 |