Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 1 |
0.3%
|
0 | No obstacle | 108 |
30%
|
1 | Minor obstacle | 61 |
16.9%
|
2 | Moderate obstacle | 99 |
27.5%
|
3 | Major obstacle | 67 |
18.6%
|
4 | Very severe obstacle | 24 |
6.7%
|