Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 13 |
0.7%
|
-7 | Does not apply | 27 |
1.4%
|
0 | No obstacle | 1486 |
74.5%
|
1 | Minor obstacle | 191 |
9.6%
|
2 | Moderate obstacle | 156 |
7.8%
|
3 | Major obstacle | 74 |
3.7%
|
4 | Very severe obstacle | 48 |
2.4%
|