Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.9%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 76 |
34.7%
|
1 | Minor obstacle | 51 |
23.3%
|
2 | Moderate obstacle | 42 |
19.2%
|
3 | Major obstacle | 31 |
14.2%
|
4 | Very severe obstacle | 17 |
7.8%
|