Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.4%
|
-7 | Does not apply | 5 |
1%
|
0 | No obstacle | 36 |
7%
|
1 | Minor obstacle | 129 |
25.2%
|
2 | Moderate obstacle | 96 |
18.8%
|
3 | Major obstacle | 173 |
33.9%
|
4 | Very severe obstacle | 70 |
13.7%
|