Table 4b.

Co-expression of HER2 and PR

		PR Expression		Positive Rate (%)	X2	OR (95%CI)	P-value
Cases	HER2 Expression	(-)	(+)		7.918	4.646 (1.523-14.173)	0.005*
21	(-)	10	11	52.4
55	(+)	9	46	83.6