Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 22 |
2.9%
|
-7 | Does not apply | 64 |
8.4%
|
0 | No obstacle | 342 |
45%
|
1 | Minor obstacle | 75 |
9.9%
|
2 | Moderate obstacle | 176 |
23.2%
|
3 | Major obstacle | 32 |
4.2%
|
4 | Very severe obstacle | 49 |
6.4%
|