Table 3.

Bivariate correlation analysis among the growth factor receptor expression of EGFR, Her2, Her3, Her4 and c-Met.

Correlation Coefficient	Growth Factor Receptor	Analysis Parameter	EGFR	Her2	Her3	Her4	c-Met	Nuclear Her4
Spearman’s rho	EGFR	correlation coefficient	1.000	0.108	0.310 *	0.207	0.309 *	0.260 *
		sig. (2-tailed)		0.393	0.015	0.109	0.016	0.030
		N	70	65	61	61	60	70
	Her2	correlation coefficient	0.108	1.000	0.359 **	0.032	0.393 **	0.248 *
		sig. (2-tailed)	0.393		0.005	0.804	0,002	0.041
		N	65	68	59	61	59	68
	Her3	correlation coefficient	0.310 *	0.359 **	1.000	0.073	0.342 **	0.265 *
		sig. (2-tailed)	0.015	0.005		0.587	0.010	0.032
		N	61	59	66	57	56	66
	Her4	correlation coefficient	0.207	0.032	0.073	1.000	0.040	0.112
		sig. (2-tailed)	0.109	0.804	0.587		0.763	0.369
		N	61	61	57	67	59	67
	c-Met	correlation coefficient	0.309 *	0.393 **	0.342 **	0.040	1.000	0.387 **
		sig. (2-tailed)	0.016	0.002	0.010	0.763		0.001
		N	60	59	56	59	65	65
	nuclear Her4	correlation coefficient	0.260 *	0.248 *	0.265 *	0.112	0.387 **	1.000
		sig. (2-tailed)	0.030	0.041	0.032	0.369	0.001
		N	70	68	66	67	65	78

* Correlation is significant at the 0.05 level (2-tailed). ** Correlation is significant at the 0.01 level (2-tailed).