Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 3 |
0.9%
|
0 | No obstacle | 133 |
37.9%
|
1 | Minor obstacle | 66 |
18.8%
|
2 | Moderate obstacle | 87 |
24.8%
|
3 | Major obstacle | 36 |
10.3%
|
4 | Very severe obstacle | 24 |
6.8%
|