Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 1 |
0.2%
|
0 | No obstacle | 259 |
43.1%
|
1 | Minor obstacle | 112 |
18.6%
|
2 | Moderate obstacle | 103 |
17.1%
|
3 | Major obstacle | 98 |
16.3%
|
4 | Very severe obstacle | 27 |
4.5%
|