Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 1 |
0.3%
|
0 | No obstacle | 77 |
24.1%
|
1 | Minor obstacle | 55 |
17.2%
|
2 | Moderate obstacle | 89 |
27.8%
|
3 | Major obstacle | 67 |
20.9%
|
4 | Very severe obstacle | 29 |
9.1%
|