Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.4%
|
-7 | Does not apply | 4 |
1.7%
|
0 | No obstacle | 122 |
50.8%
|
1 | Minor obstacle | 30 |
12.5%
|
2 | Moderate obstacle | 29 |
12.1%
|
3 | Major obstacle | 35 |
14.6%
|
4 | Very severe obstacle | 19 |
7.9%
|