Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 5 |
0.2%
|
-7 | Does not apply | 61 |
2.9%
|
0 | No obstacle | 640 |
30.9%
|
1 | Minor obstacle | 494 |
23.9%
|
2 | Moderate obstacle | 538 |
26%
|
3 | Major obstacle | 222 |
10.7%
|
4 | Very severe obstacle | 109 |
5.3%
|