| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 74 |
7.4%
|
| 2 | Mild | 113 |
11.3%
|
| 3 | Moderate | 440 |
43.8%
|
| 4 | Severe | 304 |
30.3%
|
| 5 | Extreme | 73 |
7.3%
|
| Sysmiss | 2934 |