Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 7 |
0.7%
|
0 | No obstacle | 78 |
8.2%
|
1 | Minor obstacle | 63 |
6.7%
|
2 | Moderate obstacle | 265 |
28%
|
3 | Major obstacle | 336 |
35.5%
|
4 | Very severe obstacle | 198 |
20.9%
|