Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.4%
|
-7 | Does not apply | 2 |
0.3%
|
0 | No obstacle | 315 |
43.2%
|
1 | Minor obstacle | 137 |
18.8%
|
2 | Moderate obstacle | 156 |
21.4%
|
3 | Major obstacle | 55 |
7.5%
|
4 | Very severe obstacle | 61 |
8.4%
|