Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 21 |
2.1%
|
0 | No obstacle | 185 |
18.2%
|
1 | Minor obstacle | 153 |
15%
|
2 | Moderate obstacle | 182 |
17.9%
|
3 | Major obstacle | 275 |
27%
|
4 | Very severe obstacle | 201 |
19.7%
|