Fig. 2From: Preliminary study of noninvasive prenatal screening for 22q11.2 deletion/duplication syndrome using multiplex dPCR assayROC curve analysis to assess the dPCR assay performance for identifying CNV in the LCR A-B and LCR B-D regions. The absolute value of a Z-score was used as a predictor of CNV for samples exceeding the cut-off value of 3.67 for the number of high risk resultsBack to article page