Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.3%
|
-7 | Does not apply | 6 |
1%
|
0 | No obstacle | 381 |
63.5%
|
1 | Minor obstacle | 142 |
23.7%
|
2 | Moderate obstacle | 51 |
8.5%
|
3 | Major obstacle | 13 |
2.2%
|
4 | Very severe obstacle | 5 |
0.8%
|