Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 399 |
30.7%
|
1 | Minor obstacle | 400 |
30.8%
|
2 | Moderate obstacle | 250 |
19.2%
|
3 | Major obstacle | 146 |
11.2%
|
4 | Very severe obstacle | 105 |
8.1%
|