Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.5%
|
-7 | Does not apply | 3 |
0.5%
|
0 | No obstacle | 114 |
17.6%
|
1 | Minor obstacle | 48 |
7.4%
|
2 | Moderate obstacle | 99 |
15.3%
|
3 | Major obstacle | 173 |
26.7%
|
4 | Very severe obstacle | 209 |
32.2%
|