| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 72 |
3.2%
|
| 2 | Mild | 93 |
4.2%
|
| 3 | Moderate | 317 |
14.2%
|
| 4 | Severe | 617 |
27.7%
|
| 5 | Extreme | 1131 |
50.7%
|
| Sysmiss | 2187 |