Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 284 |
78.9%
|
1 | Minor obstacle | 56 |
15.6%
|
2 | Moderate obstacle | 3 |
0.8%
|
3 | Major obstacle | 12 |
3.3%
|
4 | Very severe obstacle | 4 |
1.1%
|