Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 8 |
0.4%
|
-7 | Does not apply | 44 |
2.1%
|
0 | No obstacle | 598 |
28.9%
|
1 | Minor obstacle | 506 |
24.5%
|
2 | Moderate obstacle | 508 |
24.6%
|
3 | Major obstacle | 275 |
13.3%
|
4 | Very severe obstacle | 130 |
6.3%
|