Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 3 |
0.8%
|
0 | No obstacle | 163 |
45.3%
|
1 | Minor obstacle | 80 |
22.2%
|
2 | Moderate obstacle | 59 |
16.4%
|
3 | Major obstacle | 41 |
11.4%
|
4 | Very severe obstacle | 12 |
3.3%
|