Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
0.8%
|
-7 | Does not apply | 2 |
0.3%
|
0 | No obstacle | 308 |
43.2%
|
1 | Minor obstacle | 191 |
26.8%
|
2 | Moderate obstacle | 85 |
11.9%
|
3 | Major obstacle | 86 |
12.1%
|
4 | Very severe obstacle | 35 |
4.9%
|