Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
0.5%
|
-7 | Does not apply | 9 |
1.2%
|
0 | No obstacle | 152 |
20%
|
1 | Minor obstacle | 204 |
26.8%
|
2 | Moderate obstacle | 273 |
35.9%
|
3 | Major obstacle | 83 |
10.9%
|
4 | Very severe obstacle | 35 |
4.6%
|