Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 1 |
0.3%
|
0 | No obstacle | 202 |
56%
|
1 | Minor obstacle | 108 |
29.9%
|
2 | Moderate obstacle | 37 |
10.2%
|
3 | Major obstacle | 7 |
1.9%
|
4 | Very severe obstacle | 5 |
1.4%
|