Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 16 |
3.3%
|
0 | No obstacle | 265 |
55.2%
|
1 | Minor obstacle | 99 |
20.6%
|
2 | Moderate obstacle | 56 |
11.7%
|
3 | Major obstacle | 23 |
4.8%
|
4 | Very severe obstacle | 20 |
4.2%
|