Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 137 |
31.9%
|
0 | No obstacle | 113 |
26.3%
|
1 | Minor obstacle | 61 |
14.2%
|
2 | Moderate obstacle | 70 |
16.3%
|
3 | Major obstacle | 31 |
7.2%
|
4 | Very severe obstacle | 17 |
4%
|