Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 9 |
1.8%
|
-7 | Does not apply | 2 |
0.4%
|
0 | No obstacle | 320 |
63.7%
|
1 | Minor obstacle | 82 |
16.3%
|
2 | Moderate obstacle | 62 |
12.4%
|
3 | Major obstacle | 21 |
4.2%
|
4 | Very severe obstacle | 6 |
1.2%
|