Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 167 |
40.8%
|
1 | Minor obstacle | 76 |
18.6%
|
2 | Moderate obstacle | 83 |
20.3%
|
3 | Major obstacle | 60 |
14.7%
|
4 | Very severe obstacle | 22 |
5.4%
|