Fig. 3From: Preliminary study of noninvasive prenatal screening for 22q11.2 deletion/duplication syndrome using multiplex dPCR assayZ-score distributions for the LCR A-B and LCR B-D regions of 130 samples. The long horizontal dotted line indicates the cut-off value with a Z-score at 3.67. The short solid line in each data group represents the median Z-score value. The Z-scores of the 22q11.2 duplication sample identified as a deletion are circled in redBack to article page