Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 25 |
1.9%
|
-7 | Does not apply | 153 |
11.4%
|
0 | No obstacle | 476 |
35.6%
|
1 | Minor obstacle | 164 |
12.3%
|
2 | Moderate obstacle | 216 |
16.2%
|
3 | Major obstacle | 172 |
12.9%
|
4 | Very severe obstacle | 131 |
9.8%
|