Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.2%
|
-7 | Does not apply | 13 |
1%
|
0 | No obstacle | 313 |
24.1%
|
1 | Minor obstacle | 371 |
28.5%
|
2 | Moderate obstacle | 363 |
27.9%
|
3 | Major obstacle | 148 |
11.4%
|
4 | Very severe obstacle | 89 |
6.8%
|