| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 122 |
11.5%
|
| 2 | Mild | 294 |
27.7%
|
| 3 | Moderate | 439 |
41.4%
|
| 4 | Severe | 163 |
15.4%
|
| 5 | Extreme | 42 |
4%
|
| Sysmiss | 3357 |