Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 2 |
0.6%
|
0 | No obstacle | 164 |
45.6%
|
1 | Minor obstacle | 87 |
24.2%
|
2 | Moderate obstacle | 52 |
14.4%
|
3 | Major obstacle | 47 |
13.1%
|
4 | Very severe obstacle | 7 |
1.9%
|