Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 95 |
25%
|
1 | Minor obstacle | 123 |
32.4%
|
2 | Moderate obstacle | 84 |
22.1%
|
3 | Major obstacle | 75 |
19.7%
|
4 | Very severe obstacle | 3 |
0.8%
|