Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 1 |
0.3%
|
0 | No obstacle | 158 |
43.8%
|
1 | Minor obstacle | 57 |
15.8%
|
2 | Moderate obstacle | 67 |
18.6%
|
3 | Major obstacle | 45 |
12.5%
|
4 | Very severe obstacle | 31 |
8.6%
|