Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 4 |
0.3%
|
0 | No obstacle | 417 |
32.1%
|
1 | Minor obstacle | 392 |
30.2%
|
2 | Moderate obstacle | 243 |
18.7%
|
3 | Major obstacle | 112 |
8.6%
|
4 | Very severe obstacle | 130 |
10%
|