Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 99 |
9.9%
|
0 | No obstacle | 443 |
44.4%
|
1 | Minor obstacle | 206 |
20.6%
|
2 | Moderate obstacle | 121 |
12.1%
|
3 | Major obstacle | 85 |
8.5%
|
4 | Very severe obstacle | 42 |
4.2%
|