| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 10 |
1%
|
| 2 | Mild | 35 |
3.5%
|
| 3 | Moderate | 244 |
24.3%
|
| 4 | Severe | 591 |
58.9%
|
| 5 | Extreme | 123 |
12.3%
|
| Sysmiss | 2935 |