Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 1 |
0.3%
|
0 | No obstacle | 160 |
48.2%
|
1 | Minor obstacle | 68 |
20.5%
|
2 | Moderate obstacle | 55 |
16.6%
|
3 | Major obstacle | 39 |
11.7%
|
4 | Very severe obstacle | 7 |
2.1%
|