Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 36 |
1.8%
|
-7 | Does not apply | 27 |
1.4%
|
0 | No obstacle | 1551 |
77.7%
|
1 | Minor obstacle | 165 |
8.3%
|
2 | Moderate obstacle | 121 |
6.1%
|
3 | Major obstacle | 65 |
3.3%
|
4 | Very severe obstacle | 30 |
1.5%
|