Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.3%
|
-7 | Does not apply | 4 |
0.4%
|
0 | No obstacle | 610 |
61.3%
|
1 | Minor obstacle | 242 |
24.3%
|
2 | Moderate obstacle | 106 |
10.7%
|
3 | Major obstacle | 23 |
2.3%
|
4 | Very severe obstacle | 7 |
0.7%
|