Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 1 |
0.1%
|
0 | No obstacle | 482 |
66.1%
|
1 | Minor obstacle | 106 |
14.5%
|
2 | Moderate obstacle | 76 |
10.4%
|
3 | Major obstacle | 21 |
2.9%
|
4 | Very severe obstacle | 42 |
5.8%
|