Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 2 |
0.3%
|
0 | No obstacle | 421 |
68.8%
|
1 | Minor obstacle | 115 |
18.8%
|
2 | Moderate obstacle | 45 |
7.4%
|
3 | Major obstacle | 19 |
3.1%
|
4 | Very severe obstacle | 9 |
1.5%
|