Outcome Fetal fraction OR(95%CI) p aOR(95%CI) a p
Birth-weight discordance of 20% Birth-weight discordance of 20% Birth-weight discordance of 20%
[0, 11.79%) 1 1
[11.79%, 100%] 2.215(1.315~3.731) 0.003 2.091(1.218~3.591) 0.008
Birth-weight discordance of 25% Birth-weight discordance of 25% Birth-weight discordance of 25%
[0, 11.79%) 1 1
[11.79%, 14.80%) 0.985(0.379~2.559) 0.976 0.843(0.306~2.32) 0.741
[14.80%, 100%] 3.167(1.444~6.944) 0.004 3.045(1.297~7.149) 0.011
sFGR
[0, 11.79%) 1 1
[11.79%, 14.80%) 1.286(0.48~3.445) 0.617 1.211(0.43~3.407) 0.717
[14.80%, 100%] 4.133(1.815~9.411) 0.001 3.526(1.443~8.618) 0.006