Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 2 |
0.6%
|
0 | No obstacle | 200 |
55.6%
|
1 | Minor obstacle | 48 |
13.3%
|
2 | Moderate obstacle | 56 |
15.6%
|
3 | Major obstacle | 39 |
10.8%
|
4 | Very severe obstacle | 14 |
3.9%
|