Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 31 |
2.2%
|
-7 | Does not apply | 19 |
1.3%
|
0 | No obstacle | 585 |
40.9%
|
1 | Minor obstacle | 312 |
21.8%
|
2 | Moderate obstacle | 240 |
16.8%
|
3 | Major obstacle | 168 |
11.7%
|
4 | Very severe obstacle | 77 |
5.4%
|