Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 11 |
0.9%
|
0 | No obstacle | 434 |
35.7%
|
1 | Minor obstacle | 218 |
17.9%
|
2 | Moderate obstacle | 369 |
30.3%
|
3 | Major obstacle | 135 |
11.1%
|
4 | Very severe obstacle | 47 |
3.9%
|