Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 5 |
0.8%
|
0 | No obstacle | 277 |
46.2%
|
1 | Minor obstacle | 126 |
21%
|
2 | Moderate obstacle | 88 |
14.7%
|
3 | Major obstacle | 62 |
10.3%
|
4 | Very severe obstacle | 41 |
6.8%
|