Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 3 |
0.8%
|
0 | No obstacle | 216 |
59.7%
|
1 | Minor obstacle | 48 |
13.3%
|
2 | Moderate obstacle | 65 |
18%
|
3 | Major obstacle | 20 |
5.5%
|
4 | Very severe obstacle | 9 |
2.5%
|