Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 28 |
2.6%
|
-7 | Does not apply | 47 |
4.3%
|
0 | No obstacle | 204 |
18.6%
|
1 | Minor obstacle | 247 |
22.5%
|
2 | Moderate obstacle | 403 |
36.8%
|
3 | Major obstacle | 157 |
14.3%
|
4 | Very severe obstacle | 10 |
0.9%
|