| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 12 |
1.1%
|
| 2 | Mild | 49 |
4.4%
|
| 3 | Moderate | 172 |
15.3%
|
| 4 | Severe | 714 |
63.5%
|
| 5 | Extreme | 178 |
15.8%
|
| Sysmiss | 3292 |