Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.3%
|
-7 | Does not apply | 50 |
8.2%
|
0 | No obstacle | 271 |
44.3%
|
1 | Minor obstacle | 97 |
15.8%
|
2 | Moderate obstacle | 86 |
14.1%
|
3 | Major obstacle | 60 |
9.8%
|
4 | Very severe obstacle | 46 |
7.5%
|