Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.5%
|
-7 | Does not apply | 2 |
0.5%
|
0 | No obstacle | 276 |
67.5%
|
1 | Minor obstacle | 58 |
14.2%
|
2 | Moderate obstacle | 46 |
11.2%
|
3 | Major obstacle | 17 |
4.2%
|
4 | Very severe obstacle | 8 |
2%
|