Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.5%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 320 |
51.4%
|
1 | Minor obstacle | 191 |
30.7%
|
2 | Moderate obstacle | 80 |
12.9%
|
3 | Major obstacle | 22 |
3.5%
|
4 | Very severe obstacle | 6 |
1%
|