Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 8 |
0.6%
|
-7 | Does not apply | 72 |
5.5%
|
0 | No obstacle | 608 |
46.8%
|
1 | Minor obstacle | 290 |
22.3%
|
2 | Moderate obstacle | 198 |
15.2%
|
3 | Major obstacle | 89 |
6.8%
|
4 | Very severe obstacle | 35 |
2.7%
|