Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 21 |
5.6%
|
0 | No obstacle | 185 |
49.1%
|
1 | Minor obstacle | 53 |
14.1%
|
2 | Moderate obstacle | 69 |
18.3%
|
3 | Major obstacle | 26 |
6.9%
|
4 | Very severe obstacle | 22 |
5.8%
|