Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.4%
|
-7 | Does not apply | 22 |
2.6%
|
0 | No obstacle | 616 |
74.1%
|
1 | Minor obstacle | 107 |
12.9%
|
2 | Moderate obstacle | 31 |
3.7%
|
3 | Major obstacle | 31 |
3.7%
|
4 | Very severe obstacle | 21 |
2.5%
|