Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 78 |
50%
|
1 | Minor obstacle | 38 |
24.4%
|
2 | Moderate obstacle | 22 |
14.1%
|
3 | Major obstacle | 15 |
9.6%
|
4 | Very severe obstacle | 3 |
1.9%
|