Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 17 |
4.7%
|
0 | No obstacle | 228 |
63.3%
|
1 | Minor obstacle | 45 |
12.5%
|
2 | Moderate obstacle | 35 |
9.7%
|
3 | Major obstacle | 23 |
6.4%
|
4 | Very severe obstacle | 11 |
3.1%
|