Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 7 |
0.7%
|
-7 | Does not apply | 6 |
0.6%
|
0 | No obstacle | 231 |
23.1%
|
1 | Minor obstacle | 235 |
23.5%
|
2 | Moderate obstacle | 162 |
16.2%
|
3 | Major obstacle | 245 |
24.5%
|
4 | Very severe obstacle | 115 |
11.5%
|