Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
0.9%
|
-7 | Does not apply | 11 |
2.6%
|
0 | No obstacle | 128 |
29.8%
|
1 | Minor obstacle | 118 |
27.5%
|
2 | Moderate obstacle | 146 |
34%
|
3 | Major obstacle | 19 |
4.4%
|
4 | Very severe obstacle | 3 |
0.7%
|