Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 15 |
1.2%
|
-7 | Does not apply | 8 |
0.6%
|
0 | No obstacle | 276 |
21.2%
|
1 | Minor obstacle | 327 |
25.2%
|
2 | Moderate obstacle | 285 |
21.9%
|
3 | Major obstacle | 206 |
15.8%
|
4 | Very severe obstacle | 183 |
14.1%
|