| Value | Category | Cases | |
|---|---|---|---|
| -99 | 4 |
1.7%
|
|
| 1 | Significantly worse | 6 |
2.5%
|
| 2 | Somewhat worse | 7 |
2.9%
|
| 3 | The same | 77 |
32.4%
|
| 4 | Somewhat improved | 50 |
21%
|
| 5 | Significantly improved | 22 |
9.2%
|
| 6 | Don't know | 72 |
30.3%
|
| Sysmiss | 69 |