Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 3 |
0.9%
|
0 | No obstacle | 177 |
55.3%
|
1 | Minor obstacle | 66 |
20.6%
|
2 | Moderate obstacle | 45 |
14.1%
|
3 | Major obstacle | 20 |
6.3%
|
4 | Very severe obstacle | 7 |
2.2%
|