Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 250 |
47%
|
1 | Minor obstacle | 68 |
12.8%
|
2 | Moderate obstacle | 122 |
22.9%
|
3 | Major obstacle | 63 |
11.8%
|
4 | Very severe obstacle | 29 |
5.5%
|