Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 18 |
0.7%
|
-7 | Does not apply | 2 |
0.1%
|
0 | No obstacle | 681 |
25.3%
|
1 | Minor obstacle | 833 |
30.9%
|
2 | Moderate obstacle | 715 |
26.5%
|
3 | Major obstacle | 372 |
13.8%
|
4 | Very severe obstacle | 76 |
2.8%
|