| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 14 |
1.4%
|
| 2 | Mild | 62 |
6.2%
|
| 3 | Moderate | 283 |
28.3%
|
| 4 | Severe | 509 |
50.8%
|
| 5 | Extreme | 133 |
13.3%
|
| Sysmiss | 2937 |