Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 9 |
0.9%
|
0 | No obstacle | 339 |
33.5%
|
1 | Minor obstacle | 305 |
30.1%
|
2 | Moderate obstacle | 247 |
24.4%
|
3 | Major obstacle | 105 |
10.4%
|
4 | Very severe obstacle | 6 |
0.6%
|