Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.1%
|
-7 | Does not apply | 39 |
1.5%
|
0 | No obstacle | 338 |
12.8%
|
1 | Minor obstacle | 339 |
12.9%
|
2 | Moderate obstacle | 734 |
27.9%
|
3 | Major obstacle | 726 |
27.6%
|
4 | Very severe obstacle | 457 |
17.3%
|