Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 1 |
0.2%
|
0 | No obstacle | 360 |
67.7%
|
1 | Minor obstacle | 55 |
10.3%
|
2 | Moderate obstacle | 60 |
11.3%
|
3 | Major obstacle | 45 |
8.5%
|
4 | Very severe obstacle | 11 |
2.1%
|