Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 8 |
2.2%
|
0 | No obstacle | 63 |
17.5%
|
1 | Minor obstacle | 60 |
16.7%
|
2 | Moderate obstacle | 87 |
24.2%
|
3 | Major obstacle | 83 |
23.1%
|
4 | Very severe obstacle | 57 |
15.8%
|