Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 2 |
0.2%
|
0 | No obstacle | 514 |
53.8%
|
1 | Minor obstacle | 153 |
16%
|
2 | Moderate obstacle | 145 |
15.2%
|
3 | Major obstacle | 92 |
9.6%
|
4 | Very severe obstacle | 47 |
4.9%
|