Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 13 |
1.8%
|
-7 | Does not apply | 110 |
15.2%
|
0 | No obstacle | 400 |
55.3%
|
1 | Minor obstacle | 100 |
13.8%
|
2 | Moderate obstacle | 55 |
7.6%
|
3 | Major obstacle | 28 |
3.9%
|
4 | Very severe obstacle | 17 |
2.4%
|