Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.4%
|
-7 | Does not apply | 3 |
0.6%
|
0 | No obstacle | 339 |
67.5%
|
1 | Minor obstacle | 80 |
15.9%
|
2 | Moderate obstacle | 51 |
10.2%
|
3 | Major obstacle | 18 |
3.6%
|
4 | Very severe obstacle | 9 |
1.8%
|