Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 7 |
2%
|
-7 | Does not apply | 1 |
0.3%
|
0 | No obstacle | 149 |
41.6%
|
1 | Minor obstacle | 139 |
38.8%
|
2 | Moderate obstacle | 41 |
11.5%
|
3 | Major obstacle | 18 |
5%
|
4 | Very severe obstacle | 3 |
0.8%
|