Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 321 |
53.5%
|
1 | Minor obstacle | 139 |
23.2%
|
2 | Moderate obstacle | 104 |
17.3%
|
3 | Major obstacle | 30 |
5%
|
4 | Very severe obstacle | 6 |
1%
|