Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.3%
|
-7 | Does not apply | 16 |
1.6%
|
0 | No obstacle | 221 |
21.6%
|
1 | Minor obstacle | 185 |
18%
|
2 | Moderate obstacle | 181 |
17.7%
|
3 | Major obstacle | 277 |
27%
|
4 | Very severe obstacle | 142 |
13.9%
|