Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 27 |
2.9%
|
0 | No obstacle | 279 |
29.5%
|
1 | Minor obstacle | 254 |
26.8%
|
2 | Moderate obstacle | 227 |
24%
|
3 | Major obstacle | 117 |
12.4%
|
4 | Very severe obstacle | 42 |
4.4%
|