Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 2 |
0.2%
|
0 | No obstacle | 586 |
57.2%
|
1 | Minor obstacle | 255 |
24.9%
|
2 | Moderate obstacle | 107 |
10.4%
|
3 | Major obstacle | 66 |
6.4%
|
4 | Very severe obstacle | 7 |
0.7%
|