| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 217 |
19.3%
|
| 2 | Mild | 362 |
32.2%
|
| 3 | Moderate | 445 |
39.6%
|
| 4 | Severe | 79 |
7%
|
| 5 | Extreme | 21 |
1.9%
|
| Sysmiss | 3293 |