Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.6%
|
-7 | Does not apply | 50 |
9.4%
|
0 | No obstacle | 122 |
22.9%
|
1 | Minor obstacle | 50 |
9.4%
|
2 | Moderate obstacle | 83 |
15.6%
|
3 | Major obstacle | 150 |
28.2%
|
4 | Very severe obstacle | 74 |
13.9%
|