Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 3 |
0.8%
|
0 | No obstacle | 192 |
53.5%
|
1 | Minor obstacle | 58 |
16.2%
|
2 | Moderate obstacle | 56 |
15.6%
|
3 | Major obstacle | 32 |
8.9%
|
4 | Very severe obstacle | 17 |
4.7%
|