Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 5 |
0.3%
|
-7 | Does not apply | 84 |
5.5%
|
0 | No obstacle | 907 |
59.7%
|
1 | Minor obstacle | 119 |
7.8%
|
2 | Moderate obstacle | 366 |
24.1%
|
3 | Major obstacle | 32 |
2.1%
|
4 | Very severe obstacle | 5 |
0.3%
|