| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 5077 |
84.8%
|
| 1 | Mild | 709 |
11.8%
|
| 2 | Moderate | 145 |
2.4%
|
| 3 | Severe | 51 |
0.9%
|
| 4 | Extreme or can't do | 8 |
0.1%
|
| Sysmiss | 1171 |