Table 2.

Serial dilution analysis with cfDNA.

Gene	Variant	Expected VAF
		0.1%	0.25%	0.5%	1%	2.5%	5%
EGFR	L858R	ND	1.38	0.61	1.17	1.72	7.96
EGFR	ΔE746-A750	ND	0.54	1.41	0.61	2.39	5.52
EGFR	T790M	ND	0.43	0.79	0.87	3.33	5.93
EGFR	V769-D770insASV	ND	ND	ND	ND	ND	0.25
EGFR	L861Q	ND	1.72	0.61	1.56	0.92	6.47
EGFR	G719S	ND	0.98	0.8	1.94	1.31	5.04
EGFR	C797S	ND	ND	0.34	0.43	0.64	2.06
EGFR	S768I	0.32	ND	0.62	2.12	2.11	6.03

ND, not detected.