Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 3 |
0.8%
|
0 | No obstacle | 164 |
45.6%
|
1 | Minor obstacle | 69 |
19.2%
|
2 | Moderate obstacle | 71 |
19.7%
|
3 | Major obstacle | 27 |
7.5%
|
4 | Very severe obstacle | 24 |
6.7%
|