Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 11 |
1.1%
|
-7 | Does not apply | 14 |
1.4%
|
0 | No obstacle | 576 |
57.5%
|
1 | Minor obstacle | 228 |
22.8%
|
2 | Moderate obstacle | 99 |
9.9%
|
3 | Major obstacle | 60 |
6%
|
4 | Very severe obstacle | 14 |
1.4%
|