Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 1 |
0.3%
|
0 | No obstacle | 252 |
71.8%
|
1 | Minor obstacle | 55 |
15.7%
|
2 | Moderate obstacle | 21 |
6%
|
3 | Major obstacle | 18 |
5.1%
|
4 | Very severe obstacle | 3 |
0.9%
|