Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 1 |
0.1%
|
0 | No obstacle | 148 |
11.2%
|
1 | Minor obstacle | 204 |
15.4%
|
2 | Moderate obstacle | 715 |
54.1%
|
3 | Major obstacle | 203 |
15.4%
|
4 | Very severe obstacle | 49 |
3.7%
|