Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 8 |
2.3%
|
0 | No obstacle | 270 |
76.9%
|
1 | Minor obstacle | 40 |
11.4%
|
2 | Moderate obstacle | 22 |
6.3%
|
3 | Major obstacle | 6 |
1.7%
|
4 | Very severe obstacle | 3 |
0.9%
|