Table 2. Relative expression of serum miRNAs between women with PCOS and control subjects (2^-ΔCt).

miRNA	PCOS (n = 21)				Control (n = 21)				PCOS/Control fold change	P-value
	ΔCt	Mean	SD	Median	ΔCt	Mean	SD	Median
has-miRNA-324-3p	5.72	2.32×10−2	1.44×10−2	1.82×10−2	5.43	6.94×10−2	1.67×10−1	1.79×10−2	0.82	0.516
has-miRNA-4522	8.87	2.27×10−3	7.61×10−4	2.44×10−3	8.65	4.48×10−3	1.01×10−2	2.14×10−3	0.85	0.405
has-miRNA-6767-5p	15.63	4.19×10−5	4.64×10−5	2.08×10−5	14.27	9.85×10−5	1.21×10−4	6.91×10−5	0.39	0.027

miRNA, microRNA; PCOS, polycystic ovary syndrome; Ct, the threshold cycle; SD, standard deviation.