Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.3%
|
-7 | Does not apply | 7 |
1.2%
|
0 | No obstacle | 392 |
65.3%
|
1 | Minor obstacle | 66 |
11%
|
2 | Moderate obstacle | 52 |
8.7%
|
3 | Major obstacle | 49 |
8.2%
|
4 | Very severe obstacle | 32 |
5.3%
|