Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.3%
|
-7 | Does not apply | 2 |
0.2%
|
0 | No obstacle | 579 |
59.1%
|
1 | Minor obstacle | 240 |
24.5%
|
2 | Moderate obstacle | 126 |
12.9%
|
3 | Major obstacle | 28 |
2.9%
|
4 | Very severe obstacle | 1 |
0.1%
|