Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 4 |
0.4%
|
0 | No obstacle | 291 |
30.1%
|
1 | Minor obstacle | 153 |
15.8%
|
2 | Moderate obstacle | 128 |
13.3%
|
3 | Major obstacle | 222 |
23%
|
4 | Very severe obstacle | 168 |
17.4%
|