Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.5%
|
-7 | Does not apply | 10 |
1.7%
|
0 | No obstacle | 132 |
22.1%
|
1 | Minor obstacle | 116 |
19.4%
|
2 | Moderate obstacle | 121 |
20.2%
|
3 | Major obstacle | 160 |
26.8%
|
4 | Very severe obstacle | 56 |
9.4%
|