Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 12 |
1%
|
-7 | Does not apply | 32 |
2.6%
|
0 | No obstacle | 951 |
76.8%
|
1 | Minor obstacle | 112 |
9%
|
2 | Moderate obstacle | 48 |
3.9%
|
3 | Major obstacle | 41 |
3.3%
|
4 | Very severe obstacle | 43 |
3.5%
|