Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 15 |
4.2%
|
0 | No obstacle | 281 |
78.5%
|
1 | Minor obstacle | 36 |
10.1%
|
2 | Moderate obstacle | 15 |
4.2%
|
3 | Major obstacle | 7 |
2%
|
4 | Very severe obstacle | 3 |
0.8%
|