Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 14 |
1.4%
|
0 | No obstacle | 180 |
18.6%
|
1 | Minor obstacle | 251 |
26%
|
2 | Moderate obstacle | 287 |
29.7%
|
3 | Major obstacle | 153 |
15.8%
|
4 | Very severe obstacle | 79 |
8.2%
|