Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 14 |
1%
|
-7 | Does not apply | 34 |
2.5%
|
0 | No obstacle | 604 |
44.1%
|
1 | Minor obstacle | 312 |
22.8%
|
2 | Moderate obstacle | 207 |
15.1%
|
3 | Major obstacle | 143 |
10.4%
|
4 | Very severe obstacle | 55 |
4%
|