Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 2 |
0.7%
|
0 | No obstacle | 117 |
40.1%
|
1 | Minor obstacle | 98 |
33.6%
|
2 | Moderate obstacle | 47 |
16.1%
|
3 | Major obstacle | 14 |
4.8%
|
4 | Very severe obstacle | 13 |
4.5%
|