Table 4.

CTC (circulating tumor cell) counts of all samples (from both sampling time points) explored by the two methods.

Detection Method			DC01		Total
			Negative	Positive
CellSearch	negative	Count	49	21	70
		% within CellSearch	70.0	30.0	100.0
		% within CellCollector	86.0	72.4	81.4
	positive	Count	8	8	16
		% within CellSearch	50.0	50.0	100.0
		% within CellCollector	14.0	27.6	18.6
Total		Count	57	29	86
		% within CellSearch	66.3	33.7	100.0
		% within CellCollector	100.0	100.0	100.0