Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 6 |
1.7%
|
0 | No obstacle | 131 |
36.4%
|
1 | Minor obstacle | 78 |
21.7%
|
2 | Moderate obstacle | 80 |
22.2%
|
3 | Major obstacle | 54 |
15%
|
4 | Very severe obstacle | 9 |
2.5%
|