Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 8 |
0.6%
|
-7 | Does not apply | 56 |
3.9%
|
0 | No obstacle | 893 |
61.8%
|
1 | Minor obstacle | 261 |
18%
|
2 | Moderate obstacle | 161 |
11.1%
|
3 | Major obstacle | 43 |
3%
|
4 | Very severe obstacle | 24 |
1.7%
|