Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 1 |
0.2%
|
0 | No obstacle | 222 |
36.9%
|
1 | Minor obstacle | 160 |
26.6%
|
2 | Moderate obstacle | 117 |
19.5%
|
3 | Major obstacle | 81 |
13.5%
|
4 | Very severe obstacle | 20 |
3.3%
|