Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 1 |
0.2%
|
0 | No obstacle | 129 |
21.5%
|
1 | Minor obstacle | 113 |
18.8%
|
2 | Moderate obstacle | 127 |
21.1%
|
3 | Major obstacle | 160 |
26.6%
|
4 | Very severe obstacle | 70 |
11.6%
|