Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 1 |
0.3%
|
0 | No obstacle | 193 |
53%
|
1 | Minor obstacle | 58 |
15.9%
|
2 | Moderate obstacle | 71 |
19.5%
|
3 | Major obstacle | 23 |
6.3%
|
4 | Very severe obstacle | 18 |
4.9%
|