Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.3%
|
-7 | Does not apply | 9 |
0.9%
|
0 | No obstacle | 187 |
18.7%
|
1 | Minor obstacle | 175 |
17.5%
|
2 | Moderate obstacle | 271 |
27.1%
|
3 | Major obstacle | 294 |
29.4%
|
4 | Very severe obstacle | 62 |
6.2%
|