Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
1.2%
|
-7 | Does not apply | 1 |
0.4%
|
0 | No obstacle | 139 |
57.4%
|
1 | Minor obstacle | 59 |
24.4%
|
2 | Moderate obstacle | 29 |
12%
|
3 | Major obstacle | 9 |
3.7%
|
4 | Very severe obstacle | 2 |
0.8%
|