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Fig. 3 | Human Genomics

Fig. 3

From: Clinical performance of non-invasive prenatal served as a first-tier screening test for trisomy 21, 18, 13 and sex chromosome aneuploidy in a pilot city in China

Fig. 3

The relationship between FC%Y and FC%T between true-positive and false-positive samples. True-positive samples are shown as black spots, false-positive samples as red circles. T21 cases: dot; T18 cases: quadrate; T13 cases: triangle

FC%: Fetal DNA concentration, FC%Y: Fetal DNA concentration calculated by Y chromosome, FC%T: Fetal DNA concentration calculated by the proportion of triploid

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