Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
0.4%
|
-7 | Does not apply | 14 |
1%
|
0 | No obstacle | 574 |
39.7%
|
1 | Minor obstacle | 240 |
16.6%
|
2 | Moderate obstacle | 184 |
12.7%
|
3 | Major obstacle | 187 |
12.9%
|
4 | Very severe obstacle | 241 |
16.7%
|