Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
2.5%
|
-7 | Does not apply | 1 |
0.8%
|
0 | No obstacle | 60 |
50%
|
1 | Minor obstacle | 10 |
8.3%
|
2 | Moderate obstacle | 11 |
9.2%
|
3 | Major obstacle | 18 |
15%
|
4 | Very severe obstacle | 17 |
14.2%
|