Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 7 |
0.7%
|
-7 | Does not apply | 45 |
4.5%
|
0 | No obstacle | 664 |
65.9%
|
1 | Minor obstacle | 221 |
21.9%
|
2 | Moderate obstacle | 56 |
5.6%
|
3 | Major obstacle | 13 |
1.3%
|
4 | Very severe obstacle | 2 |
0.2%
|