Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.2%
|
-7 | Does not apply | 6 |
0.4%
|
0 | No obstacle | 697 |
49.2%
|
1 | Minor obstacle | 200 |
14.1%
|
2 | Moderate obstacle | 265 |
18.7%
|
3 | Major obstacle | 140 |
9.9%
|
4 | Very severe obstacle | 105 |
7.4%
|