Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.2%
|
-7 | Does not apply | 97 |
6.4%
|
0 | No obstacle | 815 |
53.7%
|
1 | Minor obstacle | 237 |
15.6%
|
2 | Moderate obstacle | 270 |
17.8%
|
3 | Major obstacle | 79 |
5.2%
|
4 | Very severe obstacle | 17 |
1.1%
|