| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1958 |
50%
|
| 2 | Mild | 501 |
12.8%
|
| 3 | Moderate | 491 |
12.5%
|
| 4 | Severe | 477 |
12.2%
|
| 5 | Extreme | 491 |
12.5%
|
| Sysmiss | 20 |