Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 29 |
2.1%
|
-7 | Does not apply | 43 |
3.1%
|
0 | No obstacle | 416 |
30.4%
|
1 | Minor obstacle | 296 |
21.6%
|
2 | Moderate obstacle | 310 |
22.6%
|
3 | Major obstacle | 195 |
14.2%
|
4 | Very severe obstacle | 80 |
5.8%
|