Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.4%
|
-7 | Does not apply | 6 |
2.5%
|
0 | No obstacle | 137 |
57.1%
|
1 | Minor obstacle | 53 |
22.1%
|
2 | Moderate obstacle | 19 |
7.9%
|
3 | Major obstacle | 14 |
5.8%
|
4 | Very severe obstacle | 10 |
4.2%
|