Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.3%
|
-7 | Does not apply | 82 |
8.7%
|
0 | No obstacle | 462 |
48.8%
|
1 | Minor obstacle | 190 |
20.1%
|
2 | Moderate obstacle | 136 |
14.4%
|
3 | Major obstacle | 67 |
7.1%
|
4 | Very severe obstacle | 7 |
0.7%
|