Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 6 |
1.7%
|
0 | No obstacle | 171 |
47.5%
|
1 | Minor obstacle | 83 |
23.1%
|
2 | Moderate obstacle | 59 |
16.4%
|
3 | Major obstacle | 31 |
8.6%
|
4 | Very severe obstacle | 9 |
2.5%
|