| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 123 |
11.6%
|
| 2 | Mild | 321 |
30.2%
|
| 3 | Moderate | 446 |
42%
|
| 4 | Severe | 137 |
12.9%
|
| 5 | Extreme | 36 |
3.4%
|
| Sysmiss | 3354 |