Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 8 |
1.4%
|
0 | No obstacle | 316 |
53.4%
|
1 | Minor obstacle | 64 |
10.8%
|
2 | Moderate obstacle | 81 |
13.7%
|
3 | Major obstacle | 80 |
13.5%
|
4 | Very severe obstacle | 42 |
7.1%
|