Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 5 |
1.6%
|
0 | No obstacle | 196 |
61.3%
|
1 | Minor obstacle | 32 |
10%
|
2 | Moderate obstacle | 30 |
9.4%
|
3 | Major obstacle | 40 |
12.5%
|
4 | Very severe obstacle | 16 |
5%
|