Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 12 |
1%
|
0 | No obstacle | 338 |
28.2%
|
1 | Minor obstacle | 202 |
16.8%
|
2 | Moderate obstacle | 222 |
18.5%
|
3 | Major obstacle | 265 |
22.1%
|
4 | Very severe obstacle | 159 |
13.3%
|