Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 9 |
2.5%
|
-7 | Does not apply | 12 |
3.3%
|
0 | No obstacle | 311 |
86.4%
|
1 | Minor obstacle | 19 |
5.3%
|
2 | Moderate obstacle | 6 |
1.7%
|
3 | Major obstacle | 2 |
0.6%
|
4 | Very severe obstacle | 1 |
0.3%
|