Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 9 |
1%
|
0 | No obstacle | 151 |
15.9%
|
1 | Minor obstacle | 158 |
16.7%
|
2 | Moderate obstacle | 296 |
31.3%
|
3 | Major obstacle | 246 |
26%
|
4 | Very severe obstacle | 85 |
9%
|