Table 4.

Distribution of the levels of the three types of microRNAs by subgroups.

	miR-9-5p				miR-17-5p				miR-148a-3p
	Cases	Controls	P1	P2	Cases	Controls	P1	P2	Cases	Controls	P1	P2
Menopause status
Premenopause	0.395 ± 0.312	0.356 ± 0.233	0.587	0.502	2.138 ± 0.716	2.177 ± 0.608	0.844	0.110	2.410 ± 0.784	2.086 ± 0.552	0.092	0.149
Postmenopause	0.557 ± 0.326		0.001		2.045 ± 0.551		0.307		2.609 ± 0.931		0.002
ER status
+	0.492 ± 0.329	0.356 ± 0.233	0.035	0.895	2.156 ± 0.621	2.177 ± 0.608	0.883	0.282	2.645 ± 0.810	2.086 ± 0.552	<0.001	0.121
-	0.549 ± 0.330		0.008		1.933 ± 0.533		0.130		2.417 ± 1.014		0.089
PR status
+	0.484 ± 0.325	0.356 ± 0.233	0.049	0.944	2.026 ± 0.605	2.177 ± 0.608	0.297	0.380	2.482 ± 0.955	2.086 ± 0.552	0.024	0.224
-	0.563 ± 0.320		0.002		2.128 ± 0.587		0.756		2.656 ± 0.810		0.001
HER2 status
+	0.577 ± 0.357	0.356 ± 0.233	0.001	0.049	2.118 ± 0.591	2.177 ± 0.608	0.659	0.797	2.570 ± 0.863	2.086 ± 0.552	0.002	0.481
-	0.357 ± 0.251		0.985		1.949 ± 0.603		0.093		2.524 ± 0.992		0.035

Abbreviations: ER: estrogen receptor; HER2: human epidermal growth factor receptor 2; PR: progesterone receptor; P1: P value compared with controls; P2: P value compared among subgroups of cases.