Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 7 |
0.8%
|
-7 | Does not apply | 2 |
0.2%
|
0 | No obstacle | 83 |
9%
|
1 | Minor obstacle | 157 |
17.1%
|
2 | Moderate obstacle | 395 |
43%
|
3 | Major obstacle | 170 |
18.5%
|
4 | Very severe obstacle | 105 |
11.4%
|