Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 12 |
0.5%
|
-7 | Does not apply | 28 |
1.3%
|
0 | No obstacle | 1844 |
84.2%
|
1 | Minor obstacle | 209 |
9.5%
|
2 | Moderate obstacle | 63 |
2.9%
|
3 | Major obstacle | 28 |
1.3%
|
4 | Very severe obstacle | 5 |
0.2%
|