| Value | Category | Cases | |
|---|---|---|---|
| 0 | no flag | 9891 |
99.3%
|
| 1 | > interval | 12 |
0.1%
|
| 2 | > interval by 1 month | 7 |
0.1%
|
| 4 | during pregnancy in calendar | 49 |
0.5%
|
| Sysmiss | 28487 |