Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 2 |
0.6%
|
0 | No obstacle | 197 |
55.6%
|
1 | Minor obstacle | 80 |
22.6%
|
2 | Moderate obstacle | 30 |
8.5%
|
3 | Major obstacle | 32 |
9%
|
4 | Very severe obstacle | 11 |
3.1%
|