Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.8%
|
-7 | Does not apply | 1 |
0.3%
|
0 | No obstacle | 163 |
45.3%
|
1 | Minor obstacle | 54 |
15%
|
2 | Moderate obstacle | 81 |
22.5%
|
3 | Major obstacle | 31 |
8.6%
|
4 | Very severe obstacle | 27 |
7.5%
|