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Table 3 The comparison of hemolyzed and non-hemolyzed specimens from the same patients

From: The effect of hemolysis on quality control metrics for noninvasive prenatal testing

Quality control metric Hemolyzed specimen (n = 21) Non-hemolyzed specimen (n = 21) P
Library concentration (ng/μL) 8.11 14.24  < 0.001
Fetal fraction (%) 20.70 16.18 0.006
GC content (%) 40.68 40.80 0.162
Mapping rate (%) 75.69 75.61 0.800
Duplication rate (%) 12.64 6.84 0.007