Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 86 |
12.1%
|
0 | No obstacle | 482 |
67.9%
|
1 | Minor obstacle | 67 |
9.4%
|
2 | Moderate obstacle | 52 |
7.3%
|
3 | Major obstacle | 14 |
2%
|
4 | Very severe obstacle | 8 |
1.1%
|