Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
2.5%
|
-7 | Does not apply | 1 |
0.4%
|
0 | No obstacle | 172 |
71.1%
|
1 | Minor obstacle | 31 |
12.8%
|
2 | Moderate obstacle | 21 |
8.7%
|
3 | Major obstacle | 9 |
3.7%
|
4 | Very severe obstacle | 2 |
0.8%
|