Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 9 |
0.5%
|
-7 | Does not apply | 73 |
4.4%
|
0 | No obstacle | 432 |
26%
|
1 | Minor obstacle | 244 |
14.7%
|
2 | Moderate obstacle | 394 |
23.7%
|
3 | Major obstacle | 376 |
22.6%
|
4 | Very severe obstacle | 135 |
8.1%
|