Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.3%
|
-7 | Does not apply | 8 |
1.2%
|
0 | No obstacle | 130 |
20.2%
|
1 | Minor obstacle | 119 |
18.4%
|
2 | Moderate obstacle | 217 |
33.6%
|
3 | Major obstacle | 141 |
21.9%
|
4 | Very severe obstacle | 28 |
4.3%
|