Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
0.5%
|
-7 | Does not apply | 1 |
0.1%
|
0 | No obstacle | 349 |
47.9%
|
1 | Minor obstacle | 154 |
21.1%
|
2 | Moderate obstacle | 111 |
15.2%
|
3 | Major obstacle | 49 |
6.7%
|
4 | Very severe obstacle | 61 |
8.4%
|