Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 2 |
0.2%
|
0 | No obstacle | 270 |
27.4%
|
1 | Minor obstacle | 203 |
20.6%
|
2 | Moderate obstacle | 158 |
16%
|
3 | Major obstacle | 126 |
12.8%
|
4 | Very severe obstacle | 227 |
23%
|