Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.1%
|
-7 | Does not apply | 131 |
6.3%
|
0 | No obstacle | 1172 |
56.6%
|
1 | Minor obstacle | 410 |
19.8%
|
2 | Moderate obstacle | 235 |
11.4%
|
3 | Major obstacle | 81 |
3.9%
|
4 | Very severe obstacle | 38 |
1.8%
|