Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 4 |
0.4%
|
0 | No obstacle | 663 |
69.4%
|
1 | Minor obstacle | 84 |
8.8%
|
2 | Moderate obstacle | 92 |
9.6%
|
3 | Major obstacle | 65 |
6.8%
|
4 | Very severe obstacle | 46 |
4.8%
|