Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
0.4%
|
-7 | Does not apply | 10 |
1%
|
0 | No obstacle | 385 |
39.3%
|
1 | Minor obstacle | 244 |
24.9%
|
2 | Moderate obstacle | 200 |
20.4%
|
3 | Major obstacle | 117 |
12%
|
4 | Very severe obstacle | 19 |
1.9%
|