Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 1 |
0.3%
|
0 | No obstacle | 131 |
43%
|
1 | Minor obstacle | 94 |
30.8%
|
2 | Moderate obstacle | 41 |
13.4%
|
3 | Major obstacle | 26 |
8.5%
|
4 | Very severe obstacle | 12 |
3.9%
|