Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 30 |
1.7%
|
0 | No obstacle | 743 |
43.1%
|
1 | Minor obstacle | 309 |
17.9%
|
2 | Moderate obstacle | 301 |
17.4%
|
3 | Major obstacle | 208 |
12.1%
|
4 | Very severe obstacle | 133 |
7.7%
|