Table 3.

Correlation between marker expression and cell viability post-HER2 pathway-targeted drug treatment in trastuzumab-resistant cell models.

Cell model	Marker	Correlation coefficienta	p Value
	pERK1/2	0.13	0.73
	pAkt	0.17	0.67
BT474R	p-rpS6	0.78	0.013
	pS6K1	0.73	0.025
	p-mTOR	0.60	0.088
	pHER2	0.067	0.86
	p4EBP1	0.20	0.61
	pERK1/2	−0.05	0.9
	pAkt	0.35	0.36
SKBR3R	p-rpS6	0.88	0.002
	pS6K1	0.64	0.061
	p-mTOR	0.62	0.077
	pHER2	<0.01	0.99
	p4EBP1	0.72	0.030

^aSpearman correlation coefficient.