Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 11 |
0.8%
|
-7 | Does not apply | 63 |
4.4%
|
0 | No obstacle | 661 |
45.7%
|
1 | Minor obstacle | 233 |
16.1%
|
2 | Moderate obstacle | 252 |
17.4%
|
3 | Major obstacle | 136 |
9.4%
|
4 | Very severe obstacle | 90 |
6.2%
|