Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.7%
|
-7 | Does not apply | 2 |
1.3%
|
0 | No obstacle | 86 |
57%
|
1 | Minor obstacle | 25 |
16.6%
|
2 | Moderate obstacle | 21 |
13.9%
|
3 | Major obstacle | 13 |
8.6%
|
4 | Very severe obstacle | 3 |
2%
|