Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 9 |
1.5%
|
-7 | Does not apply | 1 |
0.2%
|
0 | No obstacle | 396 |
64.7%
|
1 | Minor obstacle | 139 |
22.7%
|
2 | Moderate obstacle | 51 |
8.3%
|
3 | Major obstacle | 10 |
1.6%
|
4 | Very severe obstacle | 6 |
1%
|