Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.5%
|
-7 | Does not apply | 2 |
0.5%
|
0 | No obstacle | 110 |
29.1%
|
1 | Minor obstacle | 97 |
25.7%
|
2 | Moderate obstacle | 127 |
33.6%
|
3 | Major obstacle | 30 |
7.9%
|
4 | Very severe obstacle | 10 |
2.6%
|