Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
1%
|
-7 | Does not apply | 4 |
1.9%
|
0 | No obstacle | 16 |
7.7%
|
1 | Minor obstacle | 60 |
28.7%
|
2 | Moderate obstacle | 19 |
9.1%
|
3 | Major obstacle | 72 |
34.4%
|
4 | Very severe obstacle | 36 |
17.2%
|