Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 6 |
0.6%
|
0 | No obstacle | 277 |
27.2%
|
1 | Minor obstacle | 157 |
15.4%
|
2 | Moderate obstacle | 201 |
19.7%
|
3 | Major obstacle | 213 |
20.9%
|
4 | Very severe obstacle | 163 |
16%
|