Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 24 |
2.5%
|
0 | No obstacle | 638 |
66.8%
|
1 | Minor obstacle | 153 |
16%
|
2 | Moderate obstacle | 85 |
8.9%
|
3 | Major obstacle | 40 |
4.2%
|
4 | Very severe obstacle | 13 |
1.4%
|