Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 4 |
1%
|
0 | No obstacle | 181 |
45%
|
1 | Minor obstacle | 66 |
16.4%
|
2 | Moderate obstacle | 73 |
18.2%
|
3 | Major obstacle | 47 |
11.7%
|
4 | Very severe obstacle | 30 |
7.5%
|