Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
0.2%
|
-7 | Does not apply | 37 |
2.1%
|
0 | No obstacle | 797 |
46.2%
|
1 | Minor obstacle | 337 |
19.5%
|
2 | Moderate obstacle | 250 |
14.5%
|
3 | Major obstacle | 177 |
10.3%
|
4 | Very severe obstacle | 123 |
7.1%
|