Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 1 |
0.2%
|
0 | No obstacle | 165 |
27.9%
|
1 | Minor obstacle | 30 |
5.1%
|
2 | Moderate obstacle | 76 |
12.8%
|
3 | Major obstacle | 144 |
24.3%
|
4 | Very severe obstacle | 175 |
29.6%
|