Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.5%
|
-7 | Does not apply | 1 |
0.2%
|
0 | No obstacle | 296 |
72.4%
|
1 | Minor obstacle | 74 |
18.1%
|
2 | Moderate obstacle | 27 |
6.6%
|
3 | Major obstacle | 7 |
1.7%
|
4 | Very severe obstacle | 2 |
0.5%
|