Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 18 |
0.9%
|
-7 | Does not apply | 258 |
12.9%
|
0 | No obstacle | 1440 |
72.2%
|
1 | Minor obstacle | 101 |
5.1%
|
2 | Moderate obstacle | 94 |
4.7%
|
3 | Major obstacle | 55 |
2.8%
|
4 | Very severe obstacle | 29 |
1.5%
|