Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 10 |
0.8%
|
0 | No obstacle | 696 |
57.2%
|
1 | Minor obstacle | 225 |
18.5%
|
2 | Moderate obstacle | 232 |
19.1%
|
3 | Major obstacle | 33 |
2.7%
|
4 | Very severe obstacle | 18 |
1.5%
|