Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.5%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 149 |
36.4%
|
1 | Minor obstacle | 72 |
17.6%
|
2 | Moderate obstacle | 113 |
27.6%
|
3 | Major obstacle | 58 |
14.2%
|
4 | Very severe obstacle | 15 |
3.7%
|