Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
0.8%
|
-7 | Does not apply | 5 |
0.6%
|
0 | No obstacle | 192 |
24.9%
|
1 | Minor obstacle | 180 |
23.3%
|
2 | Moderate obstacle | 182 |
23.6%
|
3 | Major obstacle | 123 |
15.9%
|
4 | Very severe obstacle | 84 |
10.9%
|