Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.4%
|
-7 | Does not apply | 13 |
2.5%
|
0 | No obstacle | 227 |
44.4%
|
1 | Minor obstacle | 121 |
23.7%
|
2 | Moderate obstacle | 83 |
16.2%
|
3 | Major obstacle | 51 |
10%
|
4 | Very severe obstacle | 14 |
2.7%
|