Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
1.1%
|
-7 | Does not apply | 48 |
13.4%
|
0 | No obstacle | 165 |
46.2%
|
1 | Minor obstacle | 69 |
19.3%
|
2 | Moderate obstacle | 35 |
9.8%
|
3 | Major obstacle | 19 |
5.3%
|
4 | Very severe obstacle | 17 |
4.8%
|