Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
1.1%
|
-7 | Does not apply | 8 |
2.2%
|
0 | No obstacle | 252 |
69.4%
|
1 | Minor obstacle | 30 |
8.3%
|
2 | Moderate obstacle | 48 |
13.2%
|
3 | Major obstacle | 19 |
5.2%
|
4 | Very severe obstacle | 2 |
0.6%
|