Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 26 |
2.6%
|
0 | No obstacle | 170 |
16.8%
|
1 | Minor obstacle | 230 |
22.7%
|
2 | Moderate obstacle | 280 |
27.6%
|
3 | Major obstacle | 206 |
20.3%
|
4 | Very severe obstacle | 100 |
9.9%
|