Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 135 |
25.4%
|
1 | Minor obstacle | 75 |
14.1%
|
2 | Moderate obstacle | 133 |
25%
|
3 | Major obstacle | 159 |
29.9%
|
4 | Very severe obstacle | 29 |
5.5%
|