Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
0.6%
|
-7 | Does not apply | 6 |
0.6%
|
0 | No obstacle | 516 |
52.7%
|
1 | Minor obstacle | 286 |
29.2%
|
2 | Moderate obstacle | 110 |
11.2%
|
3 | Major obstacle | 43 |
4.4%
|
4 | Very severe obstacle | 12 |
1.2%
|