Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.8%
|
-7 | Does not apply | 5 |
1.3%
|
0 | No obstacle | 57 |
14.5%
|
1 | Minor obstacle | 80 |
20.4%
|
2 | Moderate obstacle | 81 |
20.7%
|
3 | Major obstacle | 136 |
34.7%
|
4 | Very severe obstacle | 30 |
7.7%
|