Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 5 |
0.3%
|
-7 | Does not apply | 33 |
2.3%
|
0 | No obstacle | 795 |
55%
|
1 | Minor obstacle | 262 |
18.1%
|
2 | Moderate obstacle | 190 |
13.1%
|
3 | Major obstacle | 106 |
7.3%
|
4 | Very severe obstacle | 55 |
3.8%
|