Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 21 |
2.2%
|
0 | No obstacle | 237 |
24.5%
|
1 | Minor obstacle | 254 |
26.3%
|
2 | Moderate obstacle | 256 |
26.5%
|
3 | Major obstacle | 147 |
15.2%
|
4 | Very severe obstacle | 50 |
5.2%
|