Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.4%
|
-7 | Does not apply | 2 |
0.7%
|
0 | No obstacle | 115 |
42.9%
|
1 | Minor obstacle | 20 |
7.5%
|
2 | Moderate obstacle | 15 |
5.6%
|
3 | Major obstacle | 40 |
14.9%
|
4 | Very severe obstacle | 75 |
28%
|