Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 8 |
0.8%
|
0 | No obstacle | 159 |
15.7%
|
1 | Minor obstacle | 290 |
28.6%
|
2 | Moderate obstacle | 339 |
33.5%
|
3 | Major obstacle | 182 |
18%
|
4 | Very severe obstacle | 34 |
3.4%
|