Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
0.8%
|
-7 | Does not apply | 3 |
0.4%
|
0 | No obstacle | 485 |
62.8%
|
1 | Minor obstacle | 132 |
17.1%
|
2 | Moderate obstacle | 90 |
11.7%
|
3 | Major obstacle | 30 |
3.9%
|
4 | Very severe obstacle | 26 |
3.4%
|