Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 9 |
0.9%
|
0 | No obstacle | 235 |
23.2%
|
1 | Minor obstacle | 281 |
27.7%
|
2 | Moderate obstacle | 264 |
26.1%
|
3 | Major obstacle | 172 |
17%
|
4 | Very severe obstacle | 51 |
5%
|