Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.5%
|
-7 | Does not apply | 11 |
5.1%
|
0 | No obstacle | 171 |
79.5%
|
1 | Minor obstacle | 20 |
9.3%
|
2 | Moderate obstacle | 7 |
3.3%
|
3 | Major obstacle | 4 |
1.9%
|
4 | Very severe obstacle | 1 |
0.5%
|