| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 402 |
36.4%
|
| 2 | Mild | 221 |
20%
|
| 3 | Moderate | 306 |
27.7%
|
| 4 | Severe | 126 |
11.4%
|
| 5 | Extreme | 49 |
4.4%
|
| Sysmiss | 3313 |