Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
0.4%
|
-7 | Does not apply | 10 |
1%
|
0 | No obstacle | 345 |
34.5%
|
1 | Minor obstacle | 308 |
30.8%
|
2 | Moderate obstacle | 166 |
16.6%
|
3 | Major obstacle | 147 |
14.7%
|
4 | Very severe obstacle | 21 |
2.1%
|