Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 10 |
0.9%
|
-7 | Does not apply | 4 |
0.4%
|
0 | No obstacle | 592 |
54.5%
|
1 | Minor obstacle | 171 |
15.7%
|
2 | Moderate obstacle | 188 |
17.3%
|
3 | Major obstacle | 78 |
7.2%
|
4 | Very severe obstacle | 43 |
4%
|