| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 43 |
4%
|
| 2 | Mild | 181 |
17%
|
| 3 | Moderate | 532 |
50%
|
| 4 | Severe | 261 |
24.5%
|
| 5 | Extreme | 47 |
4.4%
|
| Sysmiss | 3353 |