| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 28 |
7.7%
|
| -7 | Does not apply | 17 |
4.7%
|
| 0 | No impact | 231 |
63.5%
|
| 1 | Minor impact | 45 |
12.4%
|
| 2 | Moderate impact | 35 |
9.6%
|
| 3 | Moderate impact | 8 |
2.2%
|
| 4 | Major impact | 0 |
0%
|
| 5 | Very major impact | 0 |
0%
|
| Sysmiss | 1 |