Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 2 |
0.5%
|
0 | No obstacle | 93 |
23.7%
|
1 | Minor obstacle | 98 |
25%
|
2 | Moderate obstacle | 111 |
28.3%
|
3 | Major obstacle | 60 |
15.3%
|
4 | Very severe obstacle | 28 |
7.1%
|