Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 1 |
0.5%
|
0 | No obstacle | 101 |
47%
|
1 | Minor obstacle | 46 |
21.4%
|
2 | Moderate obstacle | 23 |
10.7%
|
3 | Major obstacle | 25 |
11.6%
|
4 | Very severe obstacle | 19 |
8.8%
|