Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.5%
|
-7 | Does not apply | 4 |
1.1%
|
0 | No obstacle | 291 |
79.1%
|
1 | Minor obstacle | 28 |
7.6%
|
2 | Moderate obstacle | 29 |
7.9%
|
3 | Major obstacle | 9 |
2.4%
|
4 | Very severe obstacle | 5 |
1.4%
|