Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 4 |
1.1%
|
0 | No obstacle | 123 |
33.8%
|
1 | Minor obstacle | 82 |
22.5%
|
2 | Moderate obstacle | 71 |
19.5%
|
3 | Major obstacle | 45 |
12.4%
|
4 | Very severe obstacle | 38 |
10.4%
|