Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 2 |
0.2%
|
0 | No obstacle | 279 |
28.3%
|
1 | Minor obstacle | 253 |
25.6%
|
2 | Moderate obstacle | 268 |
27.2%
|
3 | Major obstacle | 117 |
11.9%
|
4 | Very severe obstacle | 66 |
6.7%
|