Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.3%
|
-7 | Does not apply | 39 |
5.1%
|
0 | No obstacle | 187 |
24.6%
|
1 | Minor obstacle | 187 |
24.6%
|
2 | Moderate obstacle | 285 |
37.5%
|
3 | Major obstacle | 45 |
5.9%
|
4 | Very severe obstacle | 15 |
2%
|