Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 70 |
18.7%
|
0 | No obstacle | 217 |
57.9%
|
1 | Minor obstacle | 50 |
13.3%
|
2 | Moderate obstacle | 24 |
6.4%
|
3 | Major obstacle | 8 |
2.1%
|
4 | Very severe obstacle | 5 |
1.3%
|