| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 5339 |
89.1%
|
| 1 | Mild | 565 |
9.4%
|
| 2 | Moderate | 70 |
1.2%
|
| 3 | Severe | 13 |
0.2%
|
| 4 | Extreme or can't do | 3 |
0.1%
|
| Sysmiss | 1171 |