Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 8 |
2.3%
|
0 | No obstacle | 156 |
44.1%
|
1 | Minor obstacle | 72 |
20.3%
|
2 | Moderate obstacle | 65 |
18.4%
|
3 | Major obstacle | 32 |
9%
|
4 | Very severe obstacle | 19 |
5.4%
|