Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
1.3%
|
-7 | Does not apply | 4 |
1.7%
|
0 | No obstacle | 155 |
64.6%
|
1 | Minor obstacle | 40 |
16.7%
|
2 | Moderate obstacle | 22 |
9.2%
|
3 | Major obstacle | 10 |
4.2%
|
4 | Very severe obstacle | 6 |
2.5%
|