Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 4 |
0.4%
|
0 | No obstacle | 670 |
67.3%
|
1 | Minor obstacle | 155 |
15.6%
|
2 | Moderate obstacle | 107 |
10.8%
|
3 | Major obstacle | 46 |
4.6%
|
4 | Very severe obstacle | 11 |
1.1%
|