Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.4%
|
-7 | Does not apply | 1 |
0.1%
|
0 | No obstacle | 413 |
57.9%
|
1 | Minor obstacle | 199 |
27.9%
|
2 | Moderate obstacle | 60 |
8.4%
|
3 | Major obstacle | 30 |
4.2%
|
4 | Very severe obstacle | 7 |
1%
|