Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.5%
|
-7 | Does not apply | 27 |
6.7%
|
0 | No obstacle | 179 |
44.5%
|
1 | Minor obstacle | 72 |
17.9%
|
2 | Moderate obstacle | 87 |
21.6%
|
3 | Major obstacle | 27 |
6.7%
|
4 | Very severe obstacle | 8 |
2%
|