Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 3 |
0.5%
|
0 | No obstacle | 388 |
65.5%
|
1 | Minor obstacle | 54 |
9.1%
|
2 | Moderate obstacle | 52 |
8.8%
|
3 | Major obstacle | 66 |
11.1%
|
4 | Very severe obstacle | 28 |
4.7%
|