Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 4 |
1.1%
|
0 | No obstacle | 135 |
37.5%
|
1 | Minor obstacle | 100 |
27.8%
|
2 | Moderate obstacle | 77 |
21.4%
|
3 | Major obstacle | 34 |
9.4%
|
4 | Very severe obstacle | 9 |
2.5%
|