Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.3%
|
-7 | Does not apply | 16 |
1.5%
|
0 | No obstacle | 702 |
64.6%
|
1 | Minor obstacle | 149 |
13.7%
|
2 | Moderate obstacle | 117 |
10.8%
|
3 | Major obstacle | 63 |
5.8%
|
4 | Very severe obstacle | 36 |
3.3%
|