Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 2 |
0.3%
|
0 | No obstacle | 260 |
43.3%
|
1 | Minor obstacle | 98 |
16.3%
|
2 | Moderate obstacle | 99 |
16.5%
|
3 | Major obstacle | 88 |
14.7%
|
4 | Very severe obstacle | 52 |
8.7%
|