Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.1%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 1015 |
38.5%
|
1 | Minor obstacle | 528 |
20%
|
2 | Moderate obstacle | 405 |
15.4%
|
3 | Major obstacle | 345 |
13.1%
|
4 | Very severe obstacle | 339 |
12.9%
|