Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.1%
|
-7 | Does not apply | 10 |
0.4%
|
0 | No obstacle | 391 |
14.8%
|
1 | Minor obstacle | 486 |
18.4%
|
2 | Moderate obstacle | 931 |
35.3%
|
3 | Major obstacle | 628 |
23.8%
|
4 | Very severe obstacle | 187 |
7.1%
|