Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
1.1%
|
-7 | Does not apply | 2 |
0.6%
|
0 | No obstacle | 259 |
71.5%
|
1 | Minor obstacle | 37 |
10.2%
|
2 | Moderate obstacle | 34 |
9.4%
|
3 | Major obstacle | 14 |
3.9%
|
4 | Very severe obstacle | 12 |
3.3%
|