Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
0.4%
|
-7 | Does not apply | 7 |
0.7%
|
0 | No obstacle | 887 |
89.1%
|
1 | Minor obstacle | 69 |
6.9%
|
2 | Moderate obstacle | 17 |
1.7%
|
3 | Major obstacle | 7 |
0.7%
|
4 | Very severe obstacle | 4 |
0.4%
|