Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.7%
|
-7 | Does not apply | 4 |
1%
|
0 | No obstacle | 137 |
33.5%
|
1 | Minor obstacle | 61 |
14.9%
|
2 | Moderate obstacle | 100 |
24.4%
|
3 | Major obstacle | 74 |
18.1%
|
4 | Very severe obstacle | 30 |
7.3%
|