Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 27 |
2.2%
|
-7 | Does not apply | 8 |
0.6%
|
0 | No obstacle | 770 |
62.1%
|
1 | Minor obstacle | 153 |
12.3%
|
2 | Moderate obstacle | 177 |
14.3%
|
3 | Major obstacle | 58 |
4.7%
|
4 | Very severe obstacle | 46 |
3.7%
|