Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
0.6%
|
-7 | Does not apply | 9 |
1.4%
|
0 | No obstacle | 65 |
10.1%
|
1 | Minor obstacle | 110 |
17.1%
|
2 | Moderate obstacle | 192 |
29.8%
|
3 | Major obstacle | 174 |
27%
|
4 | Very severe obstacle | 91 |
14.1%
|