Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 19 |
2.5%
|
-7 | Does not apply | 5 |
0.6%
|
0 | No obstacle | 434 |
56.2%
|
1 | Minor obstacle | 164 |
21.2%
|
2 | Moderate obstacle | 112 |
14.5%
|
3 | Major obstacle | 31 |
4%
|
4 | Very severe obstacle | 7 |
0.9%
|