Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 148 |
5%
|
-7 | Does not apply | 86 |
2.9%
|
0 | No obstacle | 1010 |
34.2%
|
1 | Minor obstacle | 747 |
25.3%
|
2 | Moderate obstacle | 643 |
21.8%
|
3 | Major obstacle | 250 |
8.5%
|
4 | Very severe obstacle | 71 |
2.4%
|