Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.2%
|
-7 | Does not apply | 30 |
2.1%
|
0 | No obstacle | 973 |
68.7%
|
1 | Minor obstacle | 152 |
10.7%
|
2 | Moderate obstacle | 83 |
5.9%
|
3 | Major obstacle | 94 |
6.6%
|
4 | Very severe obstacle | 81 |
5.7%
|