Table 1.

Comparison of allosure and prospera cell-free DNA assays^33,46,51,52

	Allosure	Prospera
Number of SNPs	266	13 962
Limit of detection	0.16% (Grskovic et al)	0.15% (related donors) 0.23% (unrelated donors) (Altug et al)
Limit of quantification	0.2% (Grskovic et al)	0.15% (related donors) 0.23% (unrelated donors) (Altug et al)
Sensitivity	0.45 (Melancon) 0.59 (Bloom et al)	0.55 (Melancon) 0.887 (Sigdel et al)
Specificity	0.85 (Melancon) 0.85 (Bloom et al)	0.69 (Melancon) 0.726 (Sigdel et al)
Coefficent of variation	7.7% (dd-cfDNA < 2%) 4.5% (dd-cfDNA ≥ 2%) (Grskovic et al)	4.29% (Altug et al)

dd-cfDNA, donor-derived cell-free DNA.