Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
0.7%
|
-7 | Does not apply | 2 |
0.3%
|
0 | No obstacle | 471 |
79.6%
|
1 | Minor obstacle | 62 |
10.5%
|
2 | Moderate obstacle | 33 |
5.6%
|
3 | Major obstacle | 13 |
2.2%
|
4 | Very severe obstacle | 7 |
1.2%
|