Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.3%
|
-7 | Does not apply | 2 |
0.3%
|
0 | No obstacle | 152 |
23.4%
|
1 | Minor obstacle | 67 |
10.3%
|
2 | Moderate obstacle | 111 |
17.1%
|
3 | Major obstacle | 159 |
24.5%
|
4 | Very severe obstacle | 156 |
24%
|