Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 12 |
1.2%
|
-7 | Does not apply | 52 |
5.2%
|
0 | No obstacle | 483 |
48.3%
|
1 | Minor obstacle | 251 |
25.1%
|
2 | Moderate obstacle | 101 |
10.1%
|
3 | Major obstacle | 83 |
8.3%
|
4 | Very severe obstacle | 19 |
1.9%
|