Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.7%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 6 |
4%
|
1 | Minor obstacle | 17 |
11.3%
|
2 | Moderate obstacle | 34 |
22.5%
|
3 | Major obstacle | 35 |
23.2%
|
4 | Very severe obstacle | 58 |
38.4%
|