Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.3%
|
-7 | Does not apply | 2 |
0.2%
|
0 | No obstacle | 582 |
58.5%
|
1 | Minor obstacle | 45 |
4.5%
|
2 | Moderate obstacle | 29 |
2.9%
|
3 | Major obstacle | 73 |
7.3%
|
4 | Very severe obstacle | 261 |
26.2%
|