Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 3 |
0.8%
|
0 | No obstacle | 21 |
5.5%
|
1 | Minor obstacle | 47 |
12.4%
|
2 | Moderate obstacle | 61 |
16.1%
|
3 | Major obstacle | 164 |
43.2%
|
4 | Very severe obstacle | 84 |
22.1%
|