Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 9 |
0.9%
|
-7 | Does not apply | 32 |
3.1%
|
0 | No obstacle | 505 |
49.1%
|
1 | Minor obstacle | 210 |
20.4%
|
2 | Moderate obstacle | 163 |
15.9%
|
3 | Major obstacle | 102 |
9.9%
|
4 | Very severe obstacle | 7 |
0.7%
|