Table 3. ctDNA status based on ethnicity and number of metastatic sites for all plasma samples.

Ethnicity	Stage	No. Met. Sites	ctDNA
			Positive			Negative
			N	%		N	%
Caucasian	I-III	0	19	19		79	81
	IV	1	12	36		21	64
		>1	5	50		5	50
Asian	I-III	0	11	26		32	74
	IV	1	5	56		4	44
		>1	1	50		1	50
Hispanic	I-III	0	5	19		21	81
	IV	1	0	0		5	100
		>1	1	100		0	0
AA	I-III	0	4	31		9	69
	IV	1	0	0		1	100
		>1	4	100		0	0

No. Met. Sites, number of metastatic sites; AA, African American.