Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 28 |
2.1%
|
-7 | Does not apply | 56 |
4.2%
|
0 | No obstacle | 355 |
26.6%
|
1 | Minor obstacle | 158 |
11.8%
|
2 | Moderate obstacle | 192 |
14.4%
|
3 | Major obstacle | 269 |
20.1%
|
4 | Very severe obstacle | 279 |
20.9%
|