Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 21 |
1.5%
|
-7 | Does not apply | 80 |
5.8%
|
0 | No obstacle | 510 |
37.3%
|
1 | Minor obstacle | 274 |
20%
|
2 | Moderate obstacle | 277 |
20.2%
|
3 | Major obstacle | 147 |
10.7%
|
4 | Very severe obstacle | 60 |
4.4%
|