Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.3%
|
-7 | Does not apply | 2 |
0.3%
|
0 | No obstacle | 231 |
39%
|
1 | Minor obstacle | 77 |
13%
|
2 | Moderate obstacle | 97 |
16.4%
|
3 | Major obstacle | 115 |
19.4%
|
4 | Very severe obstacle | 68 |
11.5%
|