Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.1%
|
-7 | Does not apply | 38 |
2.2%
|
0 | No obstacle | 665 |
38.6%
|
1 | Minor obstacle | 290 |
16.8%
|
2 | Moderate obstacle | 364 |
21.1%
|
3 | Major obstacle | 251 |
14.6%
|
4 | Very severe obstacle | 115 |
6.7%
|