Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.5%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 246 |
41%
|
1 | Minor obstacle | 162 |
27%
|
2 | Moderate obstacle | 82 |
13.7%
|
3 | Major obstacle | 66 |
11%
|
4 | Very severe obstacle | 41 |
6.8%
|