Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.3%
|
-7 | Does not apply | 87 |
8.8%
|
0 | No obstacle | 448 |
45.4%
|
1 | Minor obstacle | 185 |
18.7%
|
2 | Moderate obstacle | 176 |
17.8%
|
3 | Major obstacle | 61 |
6.2%
|
4 | Very severe obstacle | 27 |
2.7%
|