| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 21 |
1.9%
|
| 2 | Mild | 78 |
7.1%
|
| 3 | Moderate | 196 |
17.8%
|
| 4 | Severe | 451 |
41%
|
| 5 | Extreme | 355 |
32.2%
|
| Sysmiss | 3316 |