| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 554 |
56.1%
|
| 2 | Mild | 243 |
24.6%
|
| 3 | Moderate | 144 |
14.6%
|
| 4 | Severe | 35 |
3.5%
|
| 5 | Extreme | 11 |
1.1%
|
| Sysmiss | 2951 |