Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 11 |
0.8%
|
-7 | Does not apply | 14 |
1%
|
0 | No obstacle | 86 |
6.4%
|
1 | Minor obstacle | 104 |
7.8%
|
2 | Moderate obstacle | 250 |
18.7%
|
3 | Major obstacle | 357 |
26.7%
|
4 | Very severe obstacle | 515 |
38.5%
|