Table 2.

Pearson Correlation between Ki67 by IHC and Proliferation Genes in 21-gene Expression Assay

	Ki67 by IHC	Ki67 by PCR	CCNB1	MYBL2	STK15	SURV
Ki67 by IHC	1
Ki67 by PCR	0.345*	1
CCNB1	0.081*	0.285*	1
MYBL2	0. 104*	0.309*	0.421*	1
STK15	0.182*	0.552*	0.226*	0.238*	1
SURV	0.057*	0.272*	0.137*	0.300*	0.206*	1

* p value less than 0.05