Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
0.6%
|
-7 | Does not apply | 23 |
2.3%
|
0 | No obstacle | 363 |
36.2%
|
1 | Minor obstacle | 276 |
27.5%
|
2 | Moderate obstacle | 193 |
19.3%
|
3 | Major obstacle | 102 |
10.2%
|
4 | Very severe obstacle | 39 |
3.9%
|