| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 16 |
1.6%
|
| 2 | Mild | 75 |
7.6%
|
| 3 | Moderate | 283 |
28.7%
|
| 4 | Severe | 506 |
51.4%
|
| 5 | Extreme | 105 |
10.7%
|
| Sysmiss | 2953 |