Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 5 |
0.5%
|
-7 | Does not apply | 5 |
0.5%
|
0 | No obstacle | 177 |
17.9%
|
1 | Minor obstacle | 113 |
11.4%
|
2 | Moderate obstacle | 181 |
18.3%
|
3 | Major obstacle | 238 |
24.1%
|
4 | Very severe obstacle | 268 |
27.2%
|