Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.3%
|
-7 | Does not apply | 7 |
0.7%
|
0 | No obstacle | 147 |
14.4%
|
1 | Minor obstacle | 162 |
15.9%
|
2 | Moderate obstacle | 236 |
23.2%
|
3 | Major obstacle | 248 |
24.3%
|
4 | Very severe obstacle | 216 |
21.2%
|