Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 20 |
2.6%
|
-7 | Does not apply | 9 |
1.2%
|
0 | No obstacle | 413 |
53.5%
|
1 | Minor obstacle | 181 |
23.4%
|
2 | Moderate obstacle | 80 |
10.4%
|
3 | Major obstacle | 55 |
7.1%
|
4 | Very severe obstacle | 14 |
1.8%
|