Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 1 |
0.3%
|
0 | No obstacle | 135 |
37.5%
|
1 | Minor obstacle | 132 |
36.7%
|
2 | Moderate obstacle | 70 |
19.4%
|
3 | Major obstacle | 17 |
4.7%
|
4 | Very severe obstacle | 5 |
1.4%
|