Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
1.3%
|
-7 | Does not apply | 2 |
0.8%
|
0 | No obstacle | 157 |
65.4%
|
1 | Minor obstacle | 31 |
12.9%
|
2 | Moderate obstacle | 24 |
10%
|
3 | Major obstacle | 12 |
5%
|
4 | Very severe obstacle | 11 |
4.6%
|