Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.1%
|
-7 | Does not apply | 52 |
3.4%
|
0 | No obstacle | 682 |
44.9%
|
1 | Minor obstacle | 296 |
19.5%
|
2 | Moderate obstacle | 369 |
24.3%
|
3 | Major obstacle | 106 |
7%
|
4 | Very severe obstacle | 11 |
0.7%
|