Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 15 |
1.9%
|
-7 | Does not apply | 7 |
0.9%
|
0 | No obstacle | 378 |
49%
|
1 | Minor obstacle | 204 |
26.4%
|
2 | Moderate obstacle | 121 |
15.7%
|
3 | Major obstacle | 34 |
4.4%
|
4 | Very severe obstacle | 13 |
1.7%
|