Table 2.

Diagnostic values of CTC count at selected cutoff point

CTC subtype	Cutoff point	Sensitivity	Specificity	YI	AUC
Total CTCs	≥ 3	0.846	0.500	0.346	0.691
	≥ 4	0.769	0.583	0.352
	≥ 5	0.654	0.611	0.265
Mixed CTCs	≥ 2	0.769	0.528	0.297	0.664
	≥ 3	0.654	0.694	0.348
	≥ 4	0.423	0.694	0.117
Mesenchymal CTCs	≥ 1	0.692	0.806	0.498	0.764
	≥ 2	0.423	0.917	0.340
	≥ 3	0.385	0.944	0.329