Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 58 |
5.8%
|
0 | No obstacle | 610 |
60.6%
|
1 | Minor obstacle | 129 |
12.8%
|
2 | Moderate obstacle | 113 |
11.2%
|
3 | Major obstacle | 57 |
5.7%
|
4 | Very severe obstacle | 38 |
3.8%
|