Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.5%
|
-7 | Does not apply | 8 |
2%
|
0 | No obstacle | 235 |
58.5%
|
1 | Minor obstacle | 74 |
18.4%
|
2 | Moderate obstacle | 59 |
14.7%
|
3 | Major obstacle | 15 |
3.7%
|
4 | Very severe obstacle | 9 |
2.2%
|