Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.3%
|
-7 | Does not apply | 34 |
3.5%
|
0 | No obstacle | 692 |
70.7%
|
1 | Minor obstacle | 163 |
16.6%
|
2 | Moderate obstacle | 75 |
7.7%
|
3 | Major obstacle | 9 |
0.9%
|
4 | Very severe obstacle | 3 |
0.3%
|