Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 2 |
0.2%
|
0 | No obstacle | 451 |
45.3%
|
1 | Minor obstacle | 319 |
32.1%
|
2 | Moderate obstacle | 160 |
16.1%
|
3 | Major obstacle | 46 |
4.6%
|
4 | Very severe obstacle | 17 |
1.7%
|