Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.3%
|
-7 | Does not apply | 55 |
9%
|
0 | No obstacle | 317 |
51.8%
|
1 | Minor obstacle | 120 |
19.6%
|
2 | Moderate obstacle | 62 |
10.1%
|
3 | Major obstacle | 37 |
6%
|
4 | Very severe obstacle | 19 |
3.1%
|