Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 224 |
67.5%
|
1 | Minor obstacle | 40 |
12%
|
2 | Moderate obstacle | 25 |
7.5%
|
3 | Major obstacle | 34 |
10.2%
|
4 | Very severe obstacle | 8 |
2.4%
|