Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 4 |
0.7%
|
0 | No obstacle | 251 |
41.8%
|
1 | Minor obstacle | 193 |
32.1%
|
2 | Moderate obstacle | 93 |
15.5%
|
3 | Major obstacle | 45 |
7.5%
|
4 | Very severe obstacle | 14 |
2.3%
|