Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 2 |
0.3%
|
0 | No obstacle | 360 |
60%
|
1 | Minor obstacle | 104 |
17.3%
|
2 | Moderate obstacle | 57 |
9.5%
|
3 | Major obstacle | 69 |
11.5%
|
4 | Very severe obstacle | 8 |
1.3%
|