Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 3 |
2%
|
0 | No obstacle | 77 |
52%
|
1 | Minor obstacle | 33 |
22.3%
|
2 | Moderate obstacle | 18 |
12.2%
|
3 | Major obstacle | 11 |
7.4%
|
4 | Very severe obstacle | 6 |
4.1%
|