Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.5%
|
-7 | Does not apply | 7 |
1.2%
|
0 | No obstacle | 101 |
16.9%
|
1 | Minor obstacle | 105 |
17.6%
|
2 | Moderate obstacle | 129 |
21.6%
|
3 | Major obstacle | 185 |
30.9%
|
4 | Very severe obstacle | 68 |
11.4%
|