Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.2%
|
-7 | Does not apply | 25 |
1.4%
|
0 | No obstacle | 119 |
6.9%
|
1 | Minor obstacle | 146 |
8.5%
|
2 | Moderate obstacle | 291 |
16.9%
|
3 | Major obstacle | 548 |
31.8%
|
4 | Very severe obstacle | 593 |
34.4%
|