Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 12 |
0.5%
|
-7 | Does not apply | 48 |
2.2%
|
0 | No obstacle | 1720 |
78.6%
|
1 | Minor obstacle | 251 |
11.5%
|
2 | Moderate obstacle | 107 |
4.9%
|
3 | Major obstacle | 42 |
1.9%
|
4 | Very severe obstacle | 9 |
0.4%
|