Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.6%
|
-7 | Does not apply | 15 |
4.2%
|
0 | No obstacle | 254 |
70.9%
|
1 | Minor obstacle | 26 |
7.3%
|
2 | Moderate obstacle | 12 |
3.4%
|
3 | Major obstacle | 15 |
4.2%
|
4 | Very severe obstacle | 34 |
9.5%
|