Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.5%
|
-7 | Does not apply | 7 |
1.9%
|
0 | No obstacle | 196 |
51.9%
|
1 | Minor obstacle | 84 |
22.2%
|
2 | Moderate obstacle | 63 |
16.7%
|
3 | Major obstacle | 18 |
4.8%
|
4 | Very severe obstacle | 8 |
2.1%
|