Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.3%
|
-7 | Does not apply | 42 |
4.2%
|
0 | No obstacle | 334 |
33.4%
|
1 | Minor obstacle | 255 |
25.5%
|
2 | Moderate obstacle | 185 |
18.5%
|
3 | Major obstacle | 150 |
15%
|
4 | Very severe obstacle | 32 |
3.2%
|