Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 7 |
0.3%
|
-7 | Does not apply | 31 |
1.5%
|
0 | No obstacle | 953 |
46.1%
|
1 | Minor obstacle | 353 |
17.1%
|
2 | Moderate obstacle | 525 |
25.4%
|
3 | Major obstacle | 157 |
7.6%
|
4 | Very severe obstacle | 43 |
2.1%
|