Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 8 |
2.2%
|
-7 | Does not apply | 2 |
0.6%
|
0 | No obstacle | 168 |
46.4%
|
1 | Minor obstacle | 74 |
20.4%
|
2 | Moderate obstacle | 77 |
21.3%
|
3 | Major obstacle | 21 |
5.8%
|
4 | Very severe obstacle | 12 |
3.3%
|