Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 4 |
1.3%
|
0 | No obstacle | 154 |
50.5%
|
1 | Minor obstacle | 86 |
28.2%
|
2 | Moderate obstacle | 43 |
14.1%
|
3 | Major obstacle | 14 |
4.6%
|
4 | Very severe obstacle | 3 |
1%
|