Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 24 |
2.3%
|
0 | No obstacle | 304 |
29.7%
|
1 | Minor obstacle | 210 |
20.5%
|
2 | Moderate obstacle | 238 |
23.2%
|
3 | Major obstacle | 201 |
19.6%
|
4 | Very severe obstacle | 47 |
4.6%
|