Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 104 |
3.5%
|
-7 | Does not apply | 71 |
2.4%
|
0 | No obstacle | 1485 |
50.3%
|
1 | Minor obstacle | 770 |
26.1%
|
2 | Moderate obstacle | 424 |
14.3%
|
3 | Major obstacle | 91 |
3.1%
|
4 | Very severe obstacle | 10 |
0.3%
|