Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 1 |
0.1%
|
0 | No obstacle | 574 |
56.1%
|
1 | Minor obstacle | 240 |
23.4%
|
2 | Moderate obstacle | 110 |
10.7%
|
3 | Major obstacle | 79 |
7.7%
|
4 | Very severe obstacle | 19 |
1.9%
|