Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 18 |
1.7%
|
0 | No obstacle | 626 |
57.6%
|
1 | Minor obstacle | 154 |
14.2%
|
2 | Moderate obstacle | 129 |
11.9%
|
3 | Major obstacle | 111 |
10.2%
|
4 | Very severe obstacle | 47 |
4.3%
|