Overall Sample | |||
---|---|---|---|
n | % | ||
Total | 43,219 | 100 | |
1 | No differences in GA between LMP & US | 4381 | 10.1 |
1.a | Discrepancy between LMP & US +/− 4 days | 19,016 | 43.9 |
1.b | Discrepancy between LMP & US +/− 7 days | 26,644 | 61.6 |
2 | Over-estimation of GA by LMP | 22,201 | 51.4 |
2.a | GA > 70 days based on LMP & < =70 based on US | 3080 | 7.1 |
2.b | GA > 90 days based on LMP & < =90 based on US | 531 | 1.2 |
3 | Under-estimation of GA by LMP | 16,637 | 38.5 |
3.a | GA < =70 days based on LMP & > 70 based on US | 2701 | 6.2 |
3.b | GA < =90 days based on LMP & > 90 based on US | 1709 | 4.0 |