Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 1 |
0.2%
|
0 | No obstacle | 421 |
79.1%
|
1 | Minor obstacle | 33 |
6.2%
|
2 | Moderate obstacle | 40 |
7.5%
|
3 | Major obstacle | 24 |
4.5%
|
4 | Very severe obstacle | 12 |
2.3%
|