| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 93 |
4.3%
|
| 2 | Mild | 205 |
9.5%
|
| 3 | Moderate | 631 |
29.1%
|
| 4 | Severe | 943 |
43.5%
|
| 5 | Extreme | 294 |
13.6%
|
| Sysmiss | 2251 |