Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 14 |
1.6%
|
0 | No obstacle | 634 |
74.6%
|
1 | Minor obstacle | 128 |
15.1%
|
2 | Moderate obstacle | 49 |
5.8%
|
3 | Major obstacle | 17 |
2%
|
4 | Very severe obstacle | 7 |
0.8%
|