Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.1%
|
-7 | Does not apply | 1 |
0%
|
0 | No obstacle | 410 |
15.6%
|
1 | Minor obstacle | 456 |
17.3%
|
2 | Moderate obstacle | 1009 |
38.3%
|
3 | Major obstacle | 576 |
21.9%
|
4 | Very severe obstacle | 180 |
6.8%
|