Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 5 |
0.4%
|
0 | No obstacle | 435 |
36.3%
|
1 | Minor obstacle | 196 |
16.3%
|
2 | Moderate obstacle | 243 |
20.3%
|
3 | Major obstacle | 207 |
17.3%
|
4 | Very severe obstacle | 113 |
9.4%
|