Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 3 |
0.3%
|
0 | No obstacle | 460 |
45.7%
|
1 | Minor obstacle | 182 |
18.1%
|
2 | Moderate obstacle | 176 |
17.5%
|
3 | Major obstacle | 107 |
10.6%
|
4 | Very severe obstacle | 79 |
7.8%
|