| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 62 |
2.9%
|
| 2 | Mild | 206 |
9.5%
|
| 3 | Moderate | 539 |
24.9%
|
| 4 | Severe | 985 |
45.6%
|
| 5 | Extreme | 370 |
17.1%
|
| Sysmiss | 2255 |