Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 33 |
9.3%
|
0 | No obstacle | 173 |
49%
|
1 | Minor obstacle | 20 |
5.7%
|
2 | Moderate obstacle | 39 |
11%
|
3 | Major obstacle | 52 |
14.7%
|
4 | Very severe obstacle | 34 |
9.6%
|