Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
0.6%
|
-7 | Does not apply | 32 |
2.9%
|
0 | No obstacle | 703 |
64.7%
|
1 | Minor obstacle | 107 |
9.9%
|
2 | Moderate obstacle | 95 |
8.7%
|
3 | Major obstacle | 97 |
8.9%
|
4 | Very severe obstacle | 46 |
4.2%
|