Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.5%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 215 |
35%
|
1 | Minor obstacle | 97 |
15.8%
|
2 | Moderate obstacle | 122 |
19.8%
|
3 | Major obstacle | 112 |
18.2%
|
4 | Very severe obstacle | 66 |
10.7%
|