Table 1.

Summary of 188 luminal-b breast cancer samples.

Item		Cases	Percent (%)
Gender	Male	0	0.00
	Female	188	100.00
Age	<46	54	28.72
	>45	134	71.28
Clinical Stage	I	20	10.63
	II	109	57.98
	III	55	29.26
	IV	4	2.13

All 188 samples are from luminal-b breast cancer, from Jan. 2008 to Jan. 2011, gained from Anhui medical university affiliated NO.1 hospital.