Table 2.

Prostate tissue datasets used in this study.

Dataset	GEO accession NO.	Platforms	Human miRNA probes	Number of samples		Statistics	Ref.
				Prostate normal tissue	Prostate cancer tissue
Ambs	GSE8126	OSU-CCC hsa-miRNA-chip version 3	474	16	60	T-test	[35]
Schaefer	GSE14857	Agilent-016436	407	12	12	T-test	[36]
Taylor	GSE21036	Agilent-019118	373	28	113	Mixture model	[37]
Wach	GSE23022	Affymetrix miRNA Array	847	20	20	ANOVA	[38]