Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 3 |
0.8%
|
0 | No obstacle | 249 |
69.6%
|
1 | Minor obstacle | 53 |
14.8%
|
2 | Moderate obstacle | 39 |
10.9%
|
3 | Major obstacle | 12 |
3.4%
|
4 | Very severe obstacle | 2 |
0.6%
|