Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 1 |
0.3%
|
0 | No obstacle | 93 |
26%
|
1 | Minor obstacle | 96 |
26.8%
|
2 | Moderate obstacle | 82 |
22.9%
|
3 | Major obstacle | 64 |
17.9%
|
4 | Very severe obstacle | 22 |
6.1%
|