| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 492 |
49.6%
|
| 2 | Mild | 133 |
13.4%
|
| 3 | Moderate | 144 |
14.5%
|
| 4 | Severe | 178 |
18%
|
| 5 | Extreme | 44 |
4.4%
|
| Sysmiss | 2947 |