Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 7 |
1.1%
|
-7 | Does not apply | 1 |
0.2%
|
0 | No obstacle | 297 |
48.5%
|
1 | Minor obstacle | 169 |
27.6%
|
2 | Moderate obstacle | 85 |
13.9%
|
3 | Major obstacle | 39 |
6.4%
|
4 | Very severe obstacle | 14 |
2.3%
|