Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 1 |
0.1%
|
0 | No obstacle | 173 |
17.5%
|
1 | Minor obstacle | 155 |
15.7%
|
2 | Moderate obstacle | 368 |
37.3%
|
3 | Major obstacle | 212 |
21.5%
|
4 | Very severe obstacle | 76 |
7.7%
|