Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.9%
|
-7 | Does not apply | 1 |
0.3%
|
0 | No obstacle | 224 |
63.8%
|
1 | Minor obstacle | 67 |
19.1%
|
2 | Moderate obstacle | 48 |
13.7%
|
3 | Major obstacle | 7 |
2%
|
4 | Very severe obstacle | 1 |
0.3%
|