| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 86 |
8.6%
|
| 2 | Mild | 355 |
35.4%
|
| 3 | Moderate | 475 |
47.4%
|
| 4 | Severe | 72 |
7.2%
|
| 5 | Extreme | 15 |
1.5%
|
| Sysmiss | 2935 |