Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 2 |
0.3%
|
0 | No obstacle | 123 |
20.5%
|
1 | Minor obstacle | 113 |
18.8%
|
2 | Moderate obstacle | 110 |
18.3%
|
3 | Major obstacle | 157 |
26.2%
|
4 | Very severe obstacle | 94 |
15.7%
|