Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 5 |
1.9%
|
-7 | Does not apply | 13 |
4.9%
|
0 | No obstacle | 150 |
56%
|
1 | Minor obstacle | 45 |
16.8%
|
2 | Moderate obstacle | 30 |
11.2%
|
3 | Major obstacle | 16 |
6%
|
4 | Very severe obstacle | 9 |
3.4%
|