Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.7%
|
-7 | Does not apply | 1 |
0.4%
|
0 | No obstacle | 137 |
51.1%
|
1 | Minor obstacle | 44 |
16.4%
|
2 | Moderate obstacle | 33 |
12.3%
|
3 | Major obstacle | 22 |
8.2%
|
4 | Very severe obstacle | 29 |
10.8%
|