Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 1 |
0.3%
|
0 | No obstacle | 166 |
46.1%
|
1 | Minor obstacle | 69 |
19.2%
|
2 | Moderate obstacle | 61 |
16.9%
|
3 | Major obstacle | 26 |
7.2%
|
4 | Very severe obstacle | 36 |
10%
|