Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 2 |
0.2%
|
0 | No obstacle | 574 |
57.7%
|
1 | Minor obstacle | 187 |
18.8%
|
2 | Moderate obstacle | 121 |
12.2%
|
3 | Major obstacle | 72 |
7.2%
|
4 | Very severe obstacle | 37 |
3.7%
|