Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 75 |
5.2%
|
1 | Minor obstacle | 90 |
6.3%
|
2 | Moderate obstacle | 192 |
13.4%
|
3 | Major obstacle | 389 |
27.2%
|
4 | Very severe obstacle | 685 |
47.8%
|