Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 1 |
0.1%
|
0 | No obstacle | 371 |
37.1%
|
1 | Minor obstacle | 399 |
39.9%
|
2 | Moderate obstacle | 129 |
12.9%
|
3 | Major obstacle | 88 |
8.8%
|
4 | Very severe obstacle | 12 |
1.2%
|