Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 26 |
7.4%
|
0 | No obstacle | 161 |
45.6%
|
1 | Minor obstacle | 30 |
8.5%
|
2 | Moderate obstacle | 41 |
11.6%
|
3 | Major obstacle | 64 |
18.1%
|
4 | Very severe obstacle | 29 |
8.2%
|