Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.3%
|
-7 | Does not apply | 10 |
1.1%
|
0 | No obstacle | 330 |
35.9%
|
1 | Minor obstacle | 199 |
21.7%
|
2 | Moderate obstacle | 224 |
24.4%
|
3 | Major obstacle | 90 |
9.8%
|
4 | Very severe obstacle | 63 |
6.9%
|