| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 69 |
7%
|
| 2 | Mild | 183 |
18.5%
|
| 3 | Moderate | 390 |
39.5%
|
| 4 | Severe | 282 |
28.6%
|
| 5 | Extreme | 63 |
6.4%
|
| Sysmiss | 2951 |