Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 2 |
0.3%
|
0 | No obstacle | 39 |
6.5%
|
1 | Minor obstacle | 48 |
8%
|
2 | Moderate obstacle | 69 |
11.5%
|
3 | Major obstacle | 188 |
31.3%
|
4 | Very severe obstacle | 254 |
42.3%
|