Study Assessing the Quality of Quantification of Estrogen Receptor Protein Expression by Immunohistochemistry and Gene Expression in Breast Cancer

Table 1

Determination of the pathway activity of ER.

Gene	Site 1		Site 2
	Correlation with ESR1	𝑃 value	Correlation with ESR1	𝑃 value
PGR	0.588	0.006	0.693	0.001
GATA3	0.582	0.007	0.798	0.000
XBP1	0.561	0.010	0.773	0.000
MYB	0.573	0.008	0.901	0.000
MUC1	0.186	0.431	0.819	0.424
BTG2	0.472	0.036	0.701	0.001
TGFb3	0.072	0.762	0.329	0.156
RAB31	0.206	0.384	0.302	0.195
HSD17b4	0.498	0.026	0.668	0.001
ESR2	−0.137	0.565	−0.203	0.391
STARD10	0.447	0.048	0.714	0.000