Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
0.4%
|
-7 | Does not apply | 16 |
1.6%
|
0 | No obstacle | 552 |
54.8%
|
1 | Minor obstacle | 224 |
22.2%
|
2 | Moderate obstacle | 95 |
9.4%
|
3 | Major obstacle | 67 |
6.7%
|
4 | Very severe obstacle | 49 |
4.9%
|