Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.5%
|
-7 | Does not apply | 3 |
0.5%
|
0 | No obstacle | 240 |
38.6%
|
1 | Minor obstacle | 221 |
35.5%
|
2 | Moderate obstacle | 97 |
15.6%
|
3 | Major obstacle | 48 |
7.7%
|
4 | Very severe obstacle | 10 |
1.6%
|