Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 24 |
7.2%
|
0 | No obstacle | 197 |
59.3%
|
1 | Minor obstacle | 56 |
16.9%
|
2 | Moderate obstacle | 30 |
9%
|
3 | Major obstacle | 20 |
6%
|
4 | Very severe obstacle | 5 |
1.5%
|