Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 72 |
5.3%
|
-7 | Does not apply | 104 |
7.6%
|
0 | No obstacle | 396 |
28.9%
|
1 | Minor obstacle | 270 |
19.7%
|
2 | Moderate obstacle | 254 |
18.6%
|
3 | Major obstacle | 205 |
15%
|
4 | Very severe obstacle | 68 |
5%
|