| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 126 |
5.6%
|
| 2 | Mild | 202 |
9%
|
| 3 | Moderate | 632 |
28.3%
|
| 4 | Severe | 965 |
43.2%
|
| 5 | Extreme | 308 |
13.8%
|
| Sysmiss | 2184 |