Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 21 |
5.2%
|
0 | No obstacle | 252 |
62.7%
|
1 | Minor obstacle | 64 |
15.9%
|
2 | Moderate obstacle | 42 |
10.4%
|
3 | Major obstacle | 18 |
4.5%
|
4 | Very severe obstacle | 4 |
1%
|