Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
1%
|
-7 | Does not apply | 6 |
2%
|
0 | No obstacle | 227 |
74.4%
|
1 | Minor obstacle | 35 |
11.5%
|
2 | Moderate obstacle | 22 |
7.2%
|
3 | Major obstacle | 8 |
2.6%
|
4 | Very severe obstacle | 4 |
1.3%
|