Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 11 |
0.5%
|
-7 | Does not apply | 76 |
3.5%
|
0 | No obstacle | 1817 |
83%
|
1 | Minor obstacle | 152 |
6.9%
|
2 | Moderate obstacle | 67 |
3.1%
|
3 | Major obstacle | 55 |
2.5%
|
4 | Very severe obstacle | 11 |
0.5%
|