Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.6%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 70 |
45.2%
|
1 | Minor obstacle | 61 |
39.4%
|
2 | Moderate obstacle | 18 |
11.6%
|
3 | Major obstacle | 4 |
2.6%
|
4 | Very severe obstacle | 1 |
0.6%
|