Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 1 |
0.1%
|
0 | No obstacle | 358 |
35.9%
|
1 | Minor obstacle | 256 |
25.7%
|
2 | Moderate obstacle | 171 |
17.1%
|
3 | Major obstacle | 170 |
17%
|
4 | Very severe obstacle | 41 |
4.1%
|