Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.8%
|
-7 | Does not apply | 1 |
0.3%
|
0 | No obstacle | 253 |
70.3%
|
1 | Minor obstacle | 60 |
16.7%
|
2 | Moderate obstacle | 28 |
7.8%
|
3 | Major obstacle | 7 |
1.9%
|
4 | Very severe obstacle | 8 |
2.2%
|