Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 8 |
2.6%
|
-7 | Does not apply | 2 |
0.7%
|
0 | No obstacle | 135 |
44%
|
1 | Minor obstacle | 58 |
18.9%
|
2 | Moderate obstacle | 38 |
12.4%
|
3 | Major obstacle | 44 |
14.3%
|
4 | Very severe obstacle | 22 |
7.2%
|