| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 28 |
2.5%
|
| 2 | Mild | 82 |
7.4%
|
| 3 | Moderate | 218 |
19.7%
|
| 4 | Severe | 538 |
48.6%
|
| 5 | Extreme | 241 |
21.8%
|
| Sysmiss | 3310 |