Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
2.5%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 161 |
66.5%
|
1 | Minor obstacle | 39 |
16.1%
|
2 | Moderate obstacle | 28 |
11.6%
|
3 | Major obstacle | 7 |
2.9%
|
4 | Very severe obstacle | 1 |
0.4%
|