Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 10 |
1%
|
-7 | Does not apply | 2 |
0.2%
|
0 | No obstacle | 250 |
25%
|
1 | Minor obstacle | 260 |
26%
|
2 | Moderate obstacle | 257 |
25.7%
|
3 | Major obstacle | 183 |
18.3%
|
4 | Very severe obstacle | 39 |
3.9%
|