Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
1.1%
|
-7 | Does not apply | 2 |
0.5%
|
0 | No obstacle | 53 |
14.5%
|
1 | Minor obstacle | 140 |
38.4%
|
2 | Moderate obstacle | 91 |
24.9%
|
3 | Major obstacle | 55 |
15.1%
|
4 | Very severe obstacle | 20 |
5.5%
|