Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 6 |
1.7%
|
0 | No obstacle | 110 |
30.8%
|
1 | Minor obstacle | 104 |
29.1%
|
2 | Moderate obstacle | 73 |
20.4%
|
3 | Major obstacle | 40 |
11.2%
|
4 | Very severe obstacle | 23 |
6.4%
|