Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
1.2%
|
-7 | Does not apply | 1 |
0.4%
|
0 | No obstacle | 120 |
49.6%
|
1 | Minor obstacle | 52 |
21.5%
|
2 | Moderate obstacle | 49 |
20.2%
|
3 | Major obstacle | 15 |
6.2%
|
4 | Very severe obstacle | 2 |
0.8%
|