Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 4 |
0.4%
|
0 | No obstacle | 211 |
21.4%
|
1 | Minor obstacle | 183 |
18.5%
|
2 | Moderate obstacle | 299 |
30.3%
|
3 | Major obstacle | 205 |
20.8%
|
4 | Very severe obstacle | 83 |
8.4%
|