Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 2 |
0.6%
|
0 | No obstacle | 285 |
79.6%
|
1 | Minor obstacle | 16 |
4.5%
|
2 | Moderate obstacle | 20 |
5.6%
|
3 | Major obstacle | 19 |
5.3%
|
4 | Very severe obstacle | 15 |
4.2%
|