Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.6%
|
-7 | Does not apply | 10 |
2.1%
|
0 | No obstacle | 263 |
54.8%
|
1 | Minor obstacle | 77 |
16%
|
2 | Moderate obstacle | 73 |
15.2%
|
3 | Major obstacle | 33 |
6.9%
|
4 | Very severe obstacle | 21 |
4.4%
|