Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
0.4%
|
-7 | Does not apply | 5 |
0.5%
|
0 | No obstacle | 291 |
30.5%
|
1 | Minor obstacle | 149 |
15.6%
|
2 | Moderate obstacle | 252 |
26.4%
|
3 | Major obstacle | 187 |
19.6%
|
4 | Very severe obstacle | 67 |
7%
|