Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 5 |
1%
|
0 | No obstacle | 342 |
71.3%
|
1 | Minor obstacle | 91 |
19%
|
2 | Moderate obstacle | 34 |
7.1%
|
3 | Major obstacle | 5 |
1%
|
4 | Very severe obstacle | 2 |
0.4%
|