Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 9 |
0.9%
|
-7 | Does not apply | 21 |
2.1%
|
0 | No obstacle | 723 |
72.4%
|
1 | Minor obstacle | 102 |
10.2%
|
2 | Moderate obstacle | 64 |
6.4%
|
3 | Major obstacle | 56 |
5.6%
|
4 | Very severe obstacle | 23 |
2.3%
|