Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 5 |
1.1%
|
-7 | Does not apply | 1 |
0.2%
|
0 | No obstacle | 245 |
51.7%
|
1 | Minor obstacle | 118 |
24.9%
|
2 | Moderate obstacle | 58 |
12.2%
|
3 | Major obstacle | 33 |
7%
|
4 | Very severe obstacle | 14 |
3%
|