Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.6%
|
-7 | Does not apply | 26 |
5.2%
|
0 | No obstacle | 334 |
66.5%
|
1 | Minor obstacle | 62 |
12.4%
|
2 | Moderate obstacle | 48 |
9.6%
|
3 | Major obstacle | 23 |
4.6%
|
4 | Very severe obstacle | 6 |
1.2%
|