Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.8%
|
-7 | Does not apply | 43 |
11.9%
|
0 | No obstacle | 70 |
19.4%
|
1 | Minor obstacle | 55 |
15.3%
|
2 | Moderate obstacle | 94 |
26.1%
|
3 | Major obstacle | 72 |
20%
|
4 | Very severe obstacle | 23 |
6.4%
|