Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.4%
|
-7 | Does not apply | 4 |
0.5%
|
0 | No obstacle | 406 |
55.7%
|
1 | Minor obstacle | 137 |
18.8%
|
2 | Moderate obstacle | 96 |
13.2%
|
3 | Major obstacle | 30 |
4.1%
|
4 | Very severe obstacle | 53 |
7.3%
|