Table 3.

Agreement Test of CAST-PCR Assay between FFPE DNA and cfDNA

		CAST-PCR Assay for IDH1 in FFPE DNA		Total	p-Value	Kappa
		Mutant	Wildtype
CAST-PCR Assay for IDH1 in cfDNA	Mutant	3	0	3
	Wildtype	23	19	42	0.125	0.099
Total		26	19	45