Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 2 |
0.6%
|
0 | No obstacle | 68 |
18.9%
|
1 | Minor obstacle | 54 |
15%
|
2 | Moderate obstacle | 108 |
30.1%
|
3 | Major obstacle | 89 |
24.8%
|
4 | Very severe obstacle | 37 |
10.3%
|