Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 4 |
0.6%
|
0 | No obstacle | 235 |
37.8%
|
1 | Minor obstacle | 223 |
35.9%
|
2 | Moderate obstacle | 106 |
17%
|
3 | Major obstacle | 41 |
6.6%
|
4 | Very severe obstacle | 12 |
1.9%
|