Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 3 |
0.8%
|
0 | No obstacle | 76 |
20.8%
|
1 | Minor obstacle | 127 |
34.8%
|
2 | Moderate obstacle | 90 |
24.7%
|
3 | Major obstacle | 58 |
15.9%
|
4 | Very severe obstacle | 10 |
2.7%
|