Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.9%
|
-7 | Does not apply | 1 |
0.3%
|
0 | No obstacle | 141 |
44.1%
|
1 | Minor obstacle | 77 |
24.1%
|
2 | Moderate obstacle | 66 |
20.6%
|
3 | Major obstacle | 26 |
8.1%
|
4 | Very severe obstacle | 6 |
1.9%
|