Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 23 |
2.3%
|
0 | No obstacle | 584 |
58%
|
1 | Minor obstacle | 207 |
20.6%
|
2 | Moderate obstacle | 119 |
11.8%
|
3 | Major obstacle | 44 |
4.4%
|
4 | Very severe obstacle | 29 |
2.9%
|