Table 4.

Correlation between integrin α2β1 and other biomarkers.

				Integrin α2β1
			n	<20%	≥20%	p #
Growth Factor-Receptor	ERα		48			0.035
		<1%		10	1
		≥1%		20	17
	PR		48			0.127
		<1%		22	9
		≥1%		8	9
	Her-2/neu		48			1
		negative		22	13
		positive		8	5
	EGFR		48			0.027
		<50%		27	11
		≥50%		3	7
	HGFR		48			0.133
		<50%		16	5
		≥50%		14	13
	IGF1R		48			0.451
		<80%		4	4
		≥80%		26	14
Cell-Adhesion-Molecule	MUC-1		48			0.765
		<70%		14	7
		≥70%		16	11
	CD44v6		48			0.103
		<10%		24	10
		≥10%		6	8
	Integrin αvβ3		48			0.19
		<20%		24	11
		≥20%		6	7

Legend: n: number of patients, ^#: p-value calculated by Fisher’s exact two-tailed test.