Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 5 |
0.6%
|
-7 | Does not apply | 19 |
2.2%
|
0 | No obstacle | 692 |
81.4%
|
1 | Minor obstacle | 99 |
11.6%
|
2 | Moderate obstacle | 27 |
3.2%
|
3 | Major obstacle | 5 |
0.6%
|
4 | Very severe obstacle | 3 |
0.4%
|