Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.4%
|
-7 | Does not apply | 5 |
2.1%
|
0 | No obstacle | 190 |
81.5%
|
1 | Minor obstacle | 15 |
6.4%
|
2 | Moderate obstacle | 12 |
5.2%
|
3 | Major obstacle | 9 |
3.9%
|
4 | Very severe obstacle | 1 |
0.4%
|