Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.8%
|
-7 | Does not apply | 30 |
8%
|
0 | No obstacle | 148 |
39.5%
|
1 | Minor obstacle | 68 |
18.1%
|
2 | Moderate obstacle | 82 |
21.9%
|
3 | Major obstacle | 20 |
5.3%
|
4 | Very severe obstacle | 24 |
6.4%
|