Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 28 |
7.8%
|
0 | No obstacle | 237 |
65.8%
|
1 | Minor obstacle | 44 |
12.2%
|
2 | Moderate obstacle | 35 |
9.7%
|
3 | Major obstacle | 9 |
2.5%
|
4 | Very severe obstacle | 6 |
1.7%
|