Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 7 |
0.7%
|
-7 | Does not apply | 2 |
0.2%
|
0 | No obstacle | 148 |
14.8%
|
1 | Minor obstacle | 173 |
17.3%
|
2 | Moderate obstacle | 188 |
18.8%
|
3 | Major obstacle | 344 |
34.4%
|
4 | Very severe obstacle | 139 |
13.9%
|