Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
0.6%
|
-7 | Does not apply | 11 |
1.7%
|
0 | No obstacle | 83 |
12.9%
|
1 | Minor obstacle | 122 |
18.9%
|
2 | Moderate obstacle | 174 |
27%
|
3 | Major obstacle | 174 |
27%
|
4 | Very severe obstacle | 77 |
11.9%
|