Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 3 |
0.4%
|
0 | No obstacle | 644 |
77.5%
|
1 | Minor obstacle | 124 |
14.9%
|
2 | Moderate obstacle | 37 |
4.5%
|
3 | Major obstacle | 17 |
2%
|
4 | Very severe obstacle | 5 |
0.6%
|