Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 14 |
3.5%
|
0 | No obstacle | 128 |
31.8%
|
1 | Minor obstacle | 100 |
24.9%
|
2 | Moderate obstacle | 78 |
19.4%
|
3 | Major obstacle | 46 |
11.4%
|
4 | Very severe obstacle | 35 |
8.7%
|