Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.1%
|
-7 | Does not apply (spontaneous) | 46 |
2.9%
|
0 | No obstacle | 1423 |
90.5%
|
1 | Minor obstacle | 69 |
4.4%
|
2 | Moderate obstacle | 16 |
1%
|
3 | Major obstacle | 13 |
0.8%
|
4 | Very severe obstacle | 4 |
0.3%
|