| Value | Category | Cases | |
|---|---|---|---|
| 0 | no flag | 1736 |
98.4%
|
| 1 | > interval | 3 |
0.2%
|
| 2 | > interval by 1 month | 2 |
0.1%
|
| 4 | during pregnancy in calendar | 24 |
1.4%
|
| Sysmiss | 12869 |