Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 1 |
0.7%
|
0 | No obstacle | 9 |
6%
|
1 | Minor obstacle | 23 |
15.2%
|
2 | Moderate obstacle | 19 |
12.6%
|
3 | Major obstacle | 33 |
21.9%
|
4 | Very severe obstacle | 66 |
43.7%
|