Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.3%
|
-7 | Does not apply | 10 |
1.6%
|
0 | No obstacle | 74 |
11.5%
|
1 | Minor obstacle | 151 |
23.4%
|
2 | Moderate obstacle | 178 |
27.6%
|
3 | Major obstacle | 149 |
23.1%
|
4 | Very severe obstacle | 81 |
12.6%
|