Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
0.4%
|
-7 | Does not apply | 7 |
0.7%
|
0 | No obstacle | 526 |
52.5%
|
1 | Minor obstacle | 295 |
29.4%
|
2 | Moderate obstacle | 112 |
11.2%
|
3 | Major obstacle | 38 |
3.8%
|
4 | Very severe obstacle | 20 |
2%
|