Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 9 |
1.3%
|
0 | No obstacle | 416 |
58.6%
|
1 | Minor obstacle | 112 |
15.8%
|
2 | Moderate obstacle | 113 |
15.9%
|
3 | Major obstacle | 48 |
6.8%
|
4 | Very severe obstacle | 11 |
1.5%
|