Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 2 |
0.5%
|
0 | No obstacle | 101 |
26.7%
|
1 | Minor obstacle | 105 |
27.8%
|
2 | Moderate obstacle | 126 |
33.3%
|
3 | Major obstacle | 23 |
6.1%
|
4 | Very severe obstacle | 20 |
5.3%
|