Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 55 |
14.2%
|
1 | Minor obstacle | 168 |
43.3%
|
2 | Moderate obstacle | 126 |
32.5%
|
3 | Major obstacle | 37 |
9.5%
|
4 | Very severe obstacle | 1 |
0.3%
|