Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
0.4%
|
-7 | Does not apply | 20 |
1.5%
|
0 | No obstacle | 461 |
34.5%
|
1 | Minor obstacle | 244 |
18.2%
|
2 | Moderate obstacle | 232 |
17.4%
|
3 | Major obstacle | 236 |
17.7%
|
4 | Very severe obstacle | 138 |
10.3%
|