Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.9%
|
-7 | Does not apply | 22 |
6.3%
|
0 | No obstacle | 274 |
77.8%
|
1 | Minor obstacle | 21 |
6%
|
2 | Moderate obstacle | 17 |
4.8%
|
3 | Major obstacle | 8 |
2.3%
|
4 | Very severe obstacle | 7 |
2%
|