Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 12 |
1.4%
|
0 | No obstacle | 389 |
46.8%
|
1 | Minor obstacle | 187 |
22.5%
|
2 | Moderate obstacle | 144 |
17.3%
|
3 | Major obstacle | 66 |
7.9%
|
4 | Very severe obstacle | 32 |
3.9%
|