Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 1 |
0.2%
|
0 | No obstacle | 262 |
43.6%
|
1 | Minor obstacle | 107 |
17.8%
|
2 | Moderate obstacle | 104 |
17.3%
|
3 | Major obstacle | 88 |
14.6%
|
4 | Very severe obstacle | 38 |
6.3%
|