Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.5%
|
-7 | Does not apply | 6 |
1%
|
0 | No obstacle | 227 |
38.3%
|
1 | Minor obstacle | 25 |
4.2%
|
2 | Moderate obstacle | 76 |
12.8%
|
3 | Major obstacle | 137 |
23.1%
|
4 | Very severe obstacle | 118 |
19.9%
|