Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.5%
|
-7 | Does not apply | 10 |
1.7%
|
0 | No obstacle | 193 |
32%
|
1 | Minor obstacle | 136 |
22.6%
|
2 | Moderate obstacle | 83 |
13.8%
|
3 | Major obstacle | 131 |
21.7%
|
4 | Very severe obstacle | 47 |
7.8%
|