Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 8 |
2.2%
|
0 | No obstacle | 156 |
43.7%
|
1 | Minor obstacle | 77 |
21.6%
|
2 | Moderate obstacle | 67 |
18.8%
|
3 | Major obstacle | 24 |
6.7%
|
4 | Very severe obstacle | 24 |
6.7%
|