Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 111 |
28.6%
|
1 | Minor obstacle | 115 |
29.6%
|
2 | Moderate obstacle | 117 |
30.2%
|
3 | Major obstacle | 27 |
7%
|
4 | Very severe obstacle | 17 |
4.4%
|