| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 265 |
28.2%
|
| 2 | Mild | 222 |
23.6%
|
| 3 | Moderate | 273 |
29%
|
| 4 | Severe | 149 |
15.9%
|
| 5 | Extreme | 31 |
3.3%
|
| Sysmiss | 2998 |