Table I.

Details of pancreatic cancer studies and associated microarray data sets from the Gene Expression Omnibus database.

Author, year	Dataset	Platform	Samples, n (tumor/control)	(Refs.)
Badea et al, 2008	GSE15471	[HG-U133_Plus_2] Affymetrix Human Genome U133 Plus 2.0 Array	78 (39/39)	(20)
Pei et al, 2009	GSE16515	[HG-U133_Plus_2] Affymetrix Human Genome U133 Plus 2.0 Array	52 (16/36)	(21)
Zhang et al, 2012	GSE28735	[HuGene-1_0-st] Affymetrix Human Gene 1.0 ST Array [transcript (gene) version]	90 (45/45)	(22)
Donahue et al, 2012	GSE32676	[HG-U133_Plus_2] Affymetrix Human Genome U133 Plus 2.0 Array	32 (25/7)	(23)
Lunardi et al, 2014	GSE55643	Agilent-014850 Whole Human Genome Microarray 4×44K G4112F	53 (45/8)	(24)
Janky et al, 2016	GSE62165	[HG-U219] Affymetrix Human Genome U219 Array	131 (118/13)	(25)
Yang et al 2016	GSE62452	[HuGene-1_0-st] Affymetrix Human Gene 1.0 ST Array	130 (69/61)	(26)