Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 7 |
0.4%
|
-7 | Does not apply | 27 |
1.6%
|
0 | No obstacle | 311 |
18.7%
|
1 | Minor obstacle | 272 |
16.4%
|
2 | Moderate obstacle | 685 |
41.2%
|
3 | Major obstacle | 291 |
17.5%
|
4 | Very severe obstacle | 70 |
4.2%
|