Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 16 |
1.1%
|
-7 | Does not apply | 80 |
5.5%
|
0 | No obstacle | 811 |
56.1%
|
1 | Minor obstacle | 219 |
15.1%
|
2 | Moderate obstacle | 169 |
11.7%
|
3 | Major obstacle | 85 |
5.9%
|
4 | Very severe obstacle | 66 |
4.6%
|