Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.5%
|
-7 | Does not apply | 8 |
2.1%
|
0 | No obstacle | 77 |
20.4%
|
1 | Minor obstacle | 46 |
12.2%
|
2 | Moderate obstacle | 103 |
27.3%
|
3 | Major obstacle | 57 |
15.1%
|
4 | Very severe obstacle | 84 |
22.3%
|