Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 10 |
1.3%
|
-7 | Does not apply | 7 |
0.9%
|
0 | No obstacle | 473 |
61.3%
|
1 | Minor obstacle | 129 |
16.7%
|
2 | Moderate obstacle | 95 |
12.3%
|
3 | Major obstacle | 46 |
6%
|
4 | Very severe obstacle | 12 |
1.6%
|