| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 53 |
5.3%
|
| 2 | Mild | 103 |
10.4%
|
| 3 | Moderate | 234 |
23.6%
|
| 4 | Severe | 481 |
48.5%
|
| 5 | Extreme | 120 |
12.1%
|
| Sysmiss | 2947 |