Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
0.6%
|
-7 | Does not apply | 37 |
3.9%
|
0 | No obstacle | 459 |
48.5%
|
1 | Minor obstacle | 154 |
16.3%
|
2 | Moderate obstacle | 142 |
15%
|
3 | Major obstacle | 122 |
12.9%
|
4 | Very severe obstacle | 27 |
2.9%
|