Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.6%
|
-7 | Does not apply | 1 |
0.2%
|
0 | No obstacle | 223 |
44.4%
|
1 | Minor obstacle | 113 |
22.5%
|
2 | Moderate obstacle | 125 |
24.9%
|
3 | Major obstacle | 36 |
7.2%
|
4 | Very severe obstacle | 1 |
0.2%
|