Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 23 |
2.3%
|
-7 | Does not apply | 26 |
2.6%
|
0 | No obstacle | 605 |
60%
|
1 | Minor obstacle | 221 |
21.9%
|
2 | Moderate obstacle | 92 |
9.1%
|
3 | Major obstacle | 38 |
3.8%
|
4 | Very severe obstacle | 3 |
0.3%
|