Table 3 Correlation of mRNA expression levels between the analyzed genes

EGFR

CC

1.000

0.274*

0.425*

−0.166

0,370*

P-value

-

0.002

<0.001

0.058

<0.001

ErbB2

CC

0.274*

1.000

0.586*

0.375*

0.456*

P-value

0.002

-

<0.001

<0.001

<0.001

ErbB3

CC

0.425*

0.586*

1.000

0.152

0.456

P-value

<0.001

<0.001

-

0.082

0.000

ErbB4

CC

−0.166

0.375*

0.152

1.000

0.277*

P-value

0.058

<0.001

0.082

-

0.001

LRIG1

CC

0.370*

0.456

0.456

0.277*

1.000

P-value

<0.001

<0.001

<0.001

0.001

-