| Value | Category | Cases | |
|---|---|---|---|
| 0 | no flag | 9798 |
98.4%
|
| 1 | > interval | 47 |
0.5%
|
| 2 | > interval by 1 month | 21 |
0.2%
|
| 4 | during pregnancy in calendar | 93 |
0.9%
|
| Sysmiss | 28487 |