Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.3%
|
-7 | Does not apply | 12 |
1%
|
0 | No obstacle | 247 |
20.6%
|
1 | Minor obstacle | 233 |
19.4%
|
2 | Moderate obstacle | 234 |
19.5%
|
3 | Major obstacle | 280 |
23.3%
|
4 | Very severe obstacle | 191 |
15.9%
|