Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
1.5%
|
-7 | Does not apply | 9 |
2.2%
|
0 | No obstacle | 239 |
59.5%
|
1 | Minor obstacle | 69 |
17.2%
|
2 | Moderate obstacle | 38 |
9.5%
|
3 | Major obstacle | 28 |
7%
|
4 | Very severe obstacle | 13 |
3.2%
|