Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 13 |
3.6%
|
0 | No obstacle | 223 |
61.9%
|
1 | Minor obstacle | 44 |
12.2%
|
2 | Moderate obstacle | 41 |
11.4%
|
3 | Major obstacle | 22 |
6.1%
|
4 | Very severe obstacle | 16 |
4.4%
|