Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 1 |
0.2%
|
0 | No obstacle | 215 |
35%
|
1 | Minor obstacle | 122 |
19.8%
|
2 | Moderate obstacle | 104 |
16.9%
|
3 | Major obstacle | 112 |
18.2%
|
4 | Very severe obstacle | 60 |
9.8%
|