Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 12 |
1.6%
|
-7 | Does not apply | 21 |
2.7%
|
0 | No obstacle | 522 |
67.6%
|
1 | Minor obstacle | 134 |
17.4%
|
2 | Moderate obstacle | 60 |
7.8%
|
3 | Major obstacle | 18 |
2.3%
|
4 | Very severe obstacle | 5 |
0.6%
|