Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 8 |
0.7%
|
-7 | Does not apply | 57 |
5.2%
|
0 | No obstacle | 687 |
63.3%
|
1 | Minor obstacle | 133 |
12.2%
|
2 | Moderate obstacle | 114 |
10.5%
|
3 | Major obstacle | 55 |
5.1%
|
4 | Very severe obstacle | 32 |
2.9%
|