Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.5%
|
-7 | Does not apply | 5 |
1.2%
|
0 | No obstacle | 91 |
21.2%
|
1 | Minor obstacle | 63 |
14.7%
|
2 | Moderate obstacle | 98 |
22.8%
|
3 | Major obstacle | 88 |
20.5%
|
4 | Very severe obstacle | 83 |
19.3%
|