Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 33 |
1.3%
|
-7 | Does not apply | 66 |
2.5%
|
0 | No obstacle | 802 |
30.4%
|
1 | Minor obstacle | 480 |
18.2%
|
2 | Moderate obstacle | 525 |
19.9%
|
3 | Major obstacle | 466 |
17.7%
|
4 | Very severe obstacle | 263 |
10%
|