Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 2 |
0.2%
|
0 | No obstacle | 422 |
42.3%
|
1 | Minor obstacle | 285 |
28.6%
|
2 | Moderate obstacle | 171 |
17.1%
|
3 | Major obstacle | 106 |
10.6%
|
4 | Very severe obstacle | 11 |
1.1%
|