Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.5%
|
-7 | Does not apply | 37 |
6%
|
0 | No obstacle | 195 |
31.7%
|
1 | Minor obstacle | 112 |
18.2%
|
2 | Moderate obstacle | 106 |
17.2%
|
3 | Major obstacle | 110 |
17.9%
|
4 | Very severe obstacle | 52 |
8.5%
|