Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 8 |
0.5%
|
-7 | Does not apply | 161 |
9.3%
|
0 | No obstacle | 651 |
37.7%
|
1 | Minor obstacle | 341 |
19.8%
|
2 | Moderate obstacle | 278 |
16.1%
|
3 | Major obstacle | 175 |
10.1%
|
4 | Very severe obstacle | 111 |
6.4%
|