Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.3%
|
-7 | Does not apply | 9 |
0.9%
|
0 | No obstacle | 343 |
33.9%
|
1 | Minor obstacle | 262 |
25.9%
|
2 | Moderate obstacle | 233 |
23%
|
3 | Major obstacle | 139 |
13.7%
|
4 | Very severe obstacle | 24 |
2.4%
|