Figure 2.

The required number of of unique reads for high sensitivity across different cff-DNA concentrations. For aneuploidy detection, the required number of unique reads (y-axis) increased with decreasing cff-DNA concentration (x-axis). For a 3.5% cff-DNA concentration, 1.7 million unique reads are needed to obtain high sensitivity.

Jiang et al. BMC Medical Genomics 2012 5:57   doi:10.1186/1755-8794-5-57
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