Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 8 |
0.7%
|
-7 | Does not apply | 17 |
1.4%
|
0 | No obstacle | 778 |
64%
|
1 | Minor obstacle | 237 |
19.5%
|
2 | Moderate obstacle | 102 |
8.4%
|
3 | Major obstacle | 45 |
3.7%
|
4 | Very severe obstacle | 29 |
2.4%
|