Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.3%
|
-7 | Does not apply | 12 |
1.7%
|
0 | No obstacle | 420 |
58.1%
|
1 | Minor obstacle | 111 |
15.4%
|
2 | Moderate obstacle | 103 |
14.2%
|
3 | Major obstacle | 54 |
7.5%
|
4 | Very severe obstacle | 21 |
2.9%
|